# 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