# A365057 (b-file synthesized from sequence entry) 0 1 1 1 2 6 3 70 4 1242 5 29766 6 901108 7 33007500 8 1419955260 9 70189326748 10 3920638941576 11 244244850932424 12 16790688671875000 13 1262666306235233160 14 103110586277262570672 15 9086730135842989237456 16 859557307380692050631952 17 86872483166310571406250000