# A125459 (b-file synthesized from sequence entry)
0 1
1 24
2 336
3 3984
4 54432
5 759744
6 10830144
7 156223392
8 2271228672
9 33183608352
10 486349645856
11 7142175976960
12 105014684996352
13 1545275154706944
14 22749491302298880
15 335018397934911744
16 4934548094852111360