# A095776 (b-file synthesized from sequence entry) 0 1 1 3 2 18 3 135 4 1053 5 8505 6 70470 7 594135 8 5073840 9 43761870 10 380433024 11 3328474032 12 29276671347 13 258669163665 14 2294194659012 15 20415148177023 16 182191712018409 17 1630078264917999 18 14617308518871210 19 131341152706852599