# A097382 (b-file synthesized from sequence entry) 1 1 2 4 3 35 4 20 5 3003 6 560 7 692835 8 4620 9 185910725 10 48048 11 136745788725 12 1361360 13 4281195077775 14 22170720 15 6541380665835015 16 446185740 17 1898924328582105825 18 5949143200 19 90048990529077755175