# A185161 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 36 4 283 5 2898 6 36169 7 524976 8 8659186 9 159736316 10 3257811334 11 72797444280 12 1769125982092 13 46466434382032 14 1311960028913384 15 39633438764146568 16 1275742281105759813 17 43593785716301112538 18 1576217593145774955007