# A335529 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 38 4 1042 5 49774 6 3661128 7 383653080 8 54275300112 9 9964363066848 10 2303245150868640 11 654457584668128416 12 224205104879416320768 13 91129285853151907958544 14 43356207229026959513863680 15 23868203329368882698589532800 16 15053662436260897659550535387136