前50个斐波那契数

它有一个递推关系，

f(1)=1

f(2)=1

f(n)=f(n-1)+f(n-2),其中n>=2

3f(n)=f(n+2)+f(n-2)

--------------------------------------------

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
F(40) = 102334155
F(41) = 165580141
F(42) = 267914296
F(43) = 433494437
F(44) = 701408733
F(45) = 1134903170

F(46) = 1836311903   --------------- 10 位

F(47) = 2971215073
F(48) = 4807526976
F(49) = 7778742049
F(50) = 12586269025