# A111811 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 10 4 88 5 1096 6 11856 7 -402480 8 -1891968 9 36024603264 10 359905478400 11 -53686393014816000 12 -644141701131494400 13 1790653231402788752593920 14 25068910772059830672353280 15 -1280832036591718248285105113241600