# A013358 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 90
4 2520
5 126630
6 14717340
7 1887655770
8 305757138960
9 67501799476110
10 18267050784481380
11 5925845719351577250
12 2313597977247058464600
13 1064286603125099115824790