# A013108 (b-file synthesized from sequence entry) 0 1 1 -4 2 40 3 -1030 4 51160 5 -4176250 6 507867100 7 -86130937750 8 19429666282000 9 -5626346310003250 10 2034312191276462500 11 -898279284686285368750 12 475692945053706430375000 13 -297573010648301986578906250