# A003612 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 8 5 4 6 14 7 21 8 35 9 49 10 158 11 191 12 425 13 828 14 1864 15 3659 16 8324 17 17344 18 39601 19 87407 20 199984 21 453361 22 1053816 23 2426228 24 5672389 25 13270695 26 31277150 27 73874375 28 175419550 29 417535487 30 997758788 31 2390172398 32 5743235470 33 13832781125