# A010043 (b-file synthesized from sequence entry) 0 0 1 6 2 144 3 3480 4 95616 5 2995296 6 106308864 7 4224923520 8 186254217216 9 9025003101696 10 477123118608384 11 27334467671746560 12 1687499455653052416 13 111689161007888080896 14 7890849624188124463104