# A049216 (b-file synthesized from sequence entry) 0 1 1 70 2 6384 3 804320 4 136804096 5 30459752960 6 8632830664704 7 3041109959196672 8 1305140879116763136 9 670935549630120394752 10 407240889859179425562624 11 288272814806050917816729600