# A243693 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 32 4 233 5 1833 6 15180 7 130392 8 1151057 9 10378883 10 95182445 11 885053524 12 8324942620 13 79071217228 14 757310811912 15 7305728683824 16 70923966744609 17 692370887676567 18 6792525607165935 19 66933512163735000 20 662190712902022017 21 6574831459429388169 22 65494637699437417584