# A207976 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 8 5 13 6 21 7 34 8 56 9 92 10 152 11 251 12 414 13 684 14 1130 15 1867 16 3084 17 5095 18 8418 19 13908 20 22979 21 37966 22 62727 23 103638 24 171232 25 282911 26 467429 27 772292 28 1275990 29 2108206 30 3483204 31 5754993 32 9508472 33 15710018