# A359017 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 11 4 20 5 84 6 455 7 1364 8 10659 9 58695 10 254540 11 728364 12 13516580 13 133595384 14 812646120 15 5327923964 16 68971338435 17 838101203939 18 7588384207404 19 69322940121435 20 490005293940084