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# Fibonacci sequence calculator

Fibonacii formula and explanation. Result is the sum of the two preceding ones. F0 = a , F1 = b , ... , Fn = Fn - 1 + Fn - 2 . Usually a is equal to 0 and b is equal 1.
 Value 1: Value 2: Items: Result: F(0) = 0, F(1) = 1, F(2) = 1, F(3) = 2, F(4) = 3, F(5) = 5, F(6) = 8, F(7) = 13, F(8) = 21, F(9) = 34, F(10) = 55

### Fibonacii (0,1) results

 F(0) 0 F(1) 1 F(2) 1 F(3) 2 F(4) 3 F(5) 5 F(6) 8 F(7) 13 F(8) 21 F(9) 34 F(10) 55 F(11) 89 F(12) 144 F(13) 233 F(14) 377 F(15) 610 F(16) 987 F(17) 1597 F(18) 2584 F(19) 4181
 F(20) 6765 F(21) 10946 F(22) 17711 F(23) 28657 F(24) 46368 F(25) 75025 F(26) 121393 F(27) 196418 F(28) 317811 F(29) 514229 F(30) 832040 F(31) 1346269 F(32) 2178309 F(33) 3524578 F(34) 5702887 F(35) 9227465 F(36) 14930352 F(37) 24157817 F(38) 39088169 F(39) 63245986

### Fibonacii (0,2) results

 F(0) 0 F(1) 2 F(2) 2 F(3) 4 F(4) 6 F(5) 10 F(6) 16 F(7) 26 F(8) 42 F(9) 68 F(10) 110 F(11) 178 F(12) 288 F(13) 466 F(14) 754 F(15) 1220 F(16) 1974 F(17) 3194 F(18) 5168 F(19) 8362
 F(20) 13530 F(21) 21892 F(22) 35422 F(23) 57314 F(24) 92736 F(25) 150050 F(26) 242786 F(27) 392836 F(28) 635622 F(29) 1028458 F(30) 1664080 F(31) 2692538 F(32) 4356618 F(33) 7049156 F(34) 11405774 F(35) 18454930 F(36) 29860704 F(37) 48315634 F(38) 78176338 F(39) 126491972