# A222012 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 22 4 145 5 1081 6 8863 7 78751 8 752587 9 7708483 10 84532222 11 992628616 12 12487788067 13 168344145919 14 2430351826084 15 37517872149790 16 617842147959019 17 10821864145358779 18 200955801421862020 19 3943205940005194330 20 81506338541922078355 21 1769606318933022398611