# A013378 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 0 5 -8064 6 1419264 7 -262662400 8 59455492096 9 -16726941245440 10 5796860719775744 11 -2439524053684551680 12 1228699611612771516416 13 -730845840019971307929600 14 507327256430827248463380480