# A305168 (b-file synthesized from sequence entry) 0 1 1 3 2 9 3 23 4 54 5 118 6 246 7 489 8 940 9 1751 10 3177 11 5630 12 9776 13 16659 14 27922 15 46092 16 75039 17 120615 18 191611 19 301086 20 468342 21 721638 22 1102113 23 1669226 24 2508429 25 3741741 26 5542532 27 8155720 28 11925654 29 17334077 30 25051940 31 36009468 32 51491111 33 73263043 34 103744575