# A373874 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 8 4 142 5 4534 6 229658 7 16951416 8 1718394312 9 229119947280 10 38881745126112 11 8183542269446928 12 2092128552508587360 13 638590833851037194256 14 229398149222697428624688 15 95801846241560025353728512 16 46025711723325944648182502016