# A091098 (b-file synthesized from sequence entry) 1 1 2 11 3 80 4 609 5 4783 6 39175 7 332180 8 2880504 9 25423491 10 227523275 11 2059020280 12 18803924340 13 173032709183 14 1602470783672 15 14922284735484 16 139619168787795 17 1311778575685086 18 12369977142579584 19 117028833597800689 20 1110409801150582707