# A051748 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 7 5 13 6 34 7 72 8 137 9 249 10 524 11 953 12 1679 13 3106 14 5270 15 9398 16 15666 17 26284 18 43409 19 72861 20 115940 21 189476 22 297929 23 476904 24 743094 25 1174624 26 1782368 27 2787256 28 4196505 29 6413986 30 9645485 31 14553197 32 21483398 33 32243250 34 47165359 35 69606943