# A028185 (b-file synthesized from sequence entry) 0 1 1 32 2 650 3 10720 4 156891 5 2127552 6 27391540 7 339890240 8 4105242581 9 48592072672 10 566386687230 11 6523917123360 12 74453894585071 13 843546156267392 14 9502346083391720 15 106552392368702080 16 1190431518905528361