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# Combination calculator, converter

 Set (n) , Sample (r) , C(n, r) = 74974400 Formula is: 64! / ( 6! * ( 64 - 6 )! ).

#### Combinations for various sets (n), when sample (r) is 6

 C( 1 , 6 ) = 0 C( 26 , 6 ) = 230230 C( 51 , 6 ) = 18009500 C( 76 , 6 ) = 218619000 C( 2 , 6 ) = 0 C( 27 , 6 ) = 296010 C( 52 , 6 ) = 20358500 C( 77 , 6 ) = 237094000 C( 3 , 6 ) = 0 C( 28 , 6 ) = 376740 C( 53 , 6 ) = 22957500 C( 78 , 6 ) = 256852000 C( 4 , 6 ) = 0 C( 29 , 6 ) = 475020 C( 54 , 6 ) = 25827200 C( 79 , 6 ) = 277963000 C( 5 , 6 ) = 0 C( 30 , 6 ) = 593775 C( 55 , 6 ) = 28989700 C( 80 , 6 ) = 300500000 C( 6 , 6 ) = 1 C( 31 , 6 ) = 736281 C( 56 , 6 ) = 32468400 C( 81 , 6 ) = 324540000 C( 7 , 6 ) = 7 C( 32 , 6 ) = 906192 C( 57 , 6 ) = 36288300 C( 82 , 6 ) = 350162000 C( 8 , 6 ) = 28 C( 33 , 6 ) = 1107570 C( 58 , 6 ) = 40475400 C( 83 , 6 ) = 377447000 C( 9 , 6 ) = 84 C( 34 , 6 ) = 1344900 C( 59 , 6 ) = 45057500 C( 84 , 6 ) = 406482000 C( 10 , 6 ) = 210 C( 35 , 6 ) = 1623160 C( 60 , 6 ) = 50063900 C( 85 , 6 ) = 437354000 C( 11 , 6 ) = 462 C( 36 , 6 ) = 1947790 C( 61 , 6 ) = 55525400 C( 86 , 6 ) = 470155000 C( 12 , 6 ) = 924 C( 37 , 6 ) = 2324780 C( 62 , 6 ) = 61474500 C( 87 , 6 ) = 504981000 C( 13 , 6 ) = 1716 C( 38 , 6 ) = 2760680 C( 63 , 6 ) = 67945500 C( 88 , 6 ) = 541931000 C( 14 , 6 ) = 3003 C( 39 , 6 ) = 3262620 C( 64 , 6 ) = 74974400 C( 89 , 6 ) = 581107000 C( 15 , 6 ) = 5005 C( 40 , 6 ) = 3838380 C( 65 , 6 ) = 82598900 C( 90 , 6 ) = 622615000 C( 16 , 6 ) = 8008 C( 41 , 6 ) = 4496390 C( 66 , 6 ) = 90858800 C( 91 , 6 ) = 666564000 C( 17 , 6 ) = 12376 C( 42 , 6 ) = 5245790 C( 67 , 6 ) = 99795700 C( 92 , 6 ) = 713068000 C( 18 , 6 ) = 18564 C( 43 , 6 ) = 6096450 C( 68 , 6 ) = 109453000 C( 93 , 6 ) = 762245000 C( 19 , 6 ) = 27132 C( 44 , 6 ) = 7059050 C( 69 , 6 ) = 119877000 C( 94 , 6 ) = 814217000 C( 20 , 6 ) = 38760 C( 45 , 6 ) = 8145060 C( 70 , 6 ) = 131116000 C( 95 , 6 ) = 869108000 C( 21 , 6 ) = 54264 C( 46 , 6 ) = 9366820 C( 71 , 6 ) = 143219000 C( 96 , 6 ) = 927048000 C( 22 , 6 ) = 74613 C( 47 , 6 ) = 10737600 C( 72 , 6 ) = 156239000 C( 97 , 6 ) = 988172000 C( 23 , 6 ) = 100947 C( 48 , 6 ) = 12271500 C( 73 , 6 ) = 170230000 C( 98 , 6 ) = 1052620000 C( 24 , 6 ) = 134596 C( 49 , 6 ) = 13983800 C( 74 , 6 ) = 185251000 C( 99 , 6 ) = 1120530000 C( 25 , 6 ) = 177100 C( 50 , 6 ) = 15890700 C( 75 , 6 ) = 201360000 C( 100 , 6 ) = 1192050000

#### Combinations for various samples (r), when set (n) is 64

 C( 64 ,  1 ) = 64 C( 64 ,  26 ) = 6.01558E+17 C( 64 ,  51 ) = 13136900000000 C( 64 ,  76 ) = 0 C( 64 ,  2 ) = 2016 C( 64 ,  27 ) = 8.46637E+17 C( 64 ,  52 ) = 3284210000000 C( 64 ,  77 ) = 0 C( 64 ,  3 ) = 41664 C( 64 ,  28 ) = 1.11877E+18 C( 64 ,  53 ) = 743596000000 C( 64 ,  78 ) = 0 C( 64 ,  4 ) = 635376 C( 64 ,  29 ) = 1.38882E+18 C( 64 ,  54 ) = 151473000000 C( 64 ,  79 ) = 0 C( 64 ,  5 ) = 7624510 C( 64 ,  30 ) = 1.62029E+18 C( 64 ,  55 ) = 27540600000 C( 64 ,  80 ) = 0 C( 64 ,  6 ) = 74974400 C( 64 ,  31 ) = 1.77709E+18 C( 64 ,  56 ) = 4426170000 C( 64 ,  81 ) = 0 C( 64 ,  7 ) = 621216000 C( 64 ,  32 ) = 1.83262E+18 C( 64 ,  57 ) = 621216000 C( 64 ,  82 ) = 0 C( 64 ,  8 ) = 4426170000 C( 64 ,  33 ) = 1.77709E+18 C( 64 ,  58 ) = 74974400 C( 64 ,  83 ) = 0 C( 64 ,  9 ) = 27540600000 C( 64 ,  34 ) = 1.62029E+18 C( 64 ,  59 ) = 7624510 C( 64 ,  84 ) = 0 C( 64 ,  10 ) = 151473000000 C( 64 ,  35 ) = 1.38882E+18 C( 64 ,  60 ) = 635376 C( 64 ,  85 ) = 0 C( 64 ,  11 ) = 743596000000 C( 64 ,  36 ) = 1.11877E+18 C( 64 ,  61 ) = 41664 C( 64 ,  86 ) = 0 C( 64 ,  12 ) = 3284210000000 C( 64 ,  37 ) = 8.46637E+17 C( 64 ,  62 ) = 2016 C( 64 ,  87 ) = 0 C( 64 ,  13 ) = 13136900000000 C( 64 ,  38 ) = 6.01558E+17 C( 64 ,  63 ) = 64 C( 64 ,  88 ) = 0 C( 64 ,  14 ) = 47855700000000 C( 64 ,  39 ) = 4.01039E+17 C( 64 ,  64 ) = 1 C( 64 ,  89 ) = 0 C( 64 ,  15 ) = 1.59519E+14 C( 64 ,  40 ) = 2.50649E+17 C( 64 ,  65 ) = 0 C( 64 ,  90 ) = 0 C( 64 ,  16 ) = 4.88527E+14 C( 64 ,  41 ) = 1.46721E+17 C( 64 ,  66 ) = 0 C( 64 ,  91 ) = 0 C( 64 ,  17 ) = 1.37937E+15 C( 64 ,  42 ) = 8.03474E+16 C( 64 ,  67 ) = 0 C( 64 ,  92 ) = 0 C( 64 ,  18 ) = 3.60169E+15 C( 64 ,  43 ) = 4.1108E+16 C( 64 ,  68 ) = 0 C( 64 ,  93 ) = 0 C( 64 ,  19 ) = 8.71988E+15 C( 64 ,  44 ) = 1.96197E+16 C( 64 ,  69 ) = 0 C( 64 ,  94 ) = 0 C( 64 ,  20 ) = 1.96197E+16 C( 64 ,  45 ) = 8.71988E+15 C( 64 ,  70 ) = 0 C( 64 ,  95 ) = 0 C( 64 ,  21 ) = 4.1108E+16 C( 64 ,  46 ) = 3.60169E+15 C( 64 ,  71 ) = 0 C( 64 ,  96 ) = 0 C( 64 ,  22 ) = 8.03474E+16 C( 64 ,  47 ) = 1.37937E+15 C( 64 ,  72 ) = 0 C( 64 ,  97 ) = 0 C( 64 ,  23 ) = 1.46721E+17 C( 64 ,  48 ) = 4.88527E+14 C( 64 ,  73 ) = 0 C( 64 ,  98 ) = 0 C( 64 ,  24 ) = 2.50649E+17 C( 64 ,  49 ) = 1.59519E+14 C( 64 ,  74 ) = 0 C( 64 ,  99 ) = 0 C( 64 ,  25 ) = 4.01039E+17 C( 64 ,  50 ) = 47855700000000 C( 64 ,  75 ) = 0 C( 64 ,  100 ) = 0