# A188697 (b-file synthesized from sequence entry) 0 1 1 26 2 676 3 17576 4 456972 5 11881168 6 308907672 7 8031529376 8 208817941280 9 5429219088800 10 141158464323104 11 3670088041052160 12 95421456259562432 13 2480936209934965120 14 64503778490067388160 15 1677083603695215199744 16 43603793136187040353536 17 1133688727070116383116288 18 29475649649828842801150464 19 766360202350076625301264384