# A152332 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 24 5 120 6 608 7 3684 8 23136 9 174536 10 1409200 11 12672984 12 123070048 13 1287015142 14 14387894342 15 172259484314 16 2186934015808