# A087540 (b-file synthesized from sequence entry) 1 1 2 2 3 8 4 96 5 1536 6 86016 7 5505024 8 1321205760 9 338228674560 10 335522845163520 11 343575393447444480 12 1385295986380096143360 13 5674172360212873803202560 14 92239345887620476544860815360 15 1511249443022773887710999598858240 16 98654363640526679389774053813465907200