# A086954 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 14 4 38 5 92 6 214 7 490 8 1108 9 2474 10 5462 11 11948 12 25942 13 55978 14 120148 15 256682 16 546134 17 1157804 18 2446678 19 5155498 20 10835284 21 22719146 22 47535446 23 99265196 24 206918998 25 430615210 26 894784852 27 1856678570 28 3847574870 29 7963585196