# A012424 (b-file synthesized from sequence entry) 0 1 1 0 2 -12 3 360 4 -14000 5 826560 6 -74707776 7 9918004096 8 -1826276458240 9 443565659817984 10 -136830226103770112 11 52123659256392435712 12 -23992831220659002945536 13 13113491065080505366691840