A_141121_fibonacci

 gcc 

  1 -->               1
  2 -->               1
  3 -->               2
  4 -->               3
  5 -->               5
  6 -->               8
  7 -->              13
  8 -->              21
  9 -->              34
 10 -->              55
 11 -->              89
 12 -->             144
 13 -->             233
 14 -->             377
 15 -->             610
 16 -->             987
 17 -->            1597
 18 -->            2584
 19 -->            4181
 20 -->            6765
 21 -->           10946
 22 -->           17711
 23 -->           28657
 24 -->           46368
 25 -->           75025
 26 -->          121393
 27 -->          196418
 28 -->          317811
 29 -->          514229
 30 -->          832040
 31 -->         1346269
 32 -->         2178309
 33 -->         3524578
 34 -->         5702887
 35 -->         9227465
 36 -->        14930352
 37 -->        24157817
 38 -->        39088169
 39 -->        63245986
 40 -->       102334155