# A013466 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 160
4 0
5 691200
6 19712000
7 14125363200
8 1476034560000
9 949310881792000
10 219556882022400000
11 161772486589808640000
12 65109683806263050240000
13 58457850571785240576000000