# A351862 (b-file synthesized from sequence entry)
0 1
1 6
2 120
3 840
4 8064
5 4224
6 2196480
7 199680
8 5013504
9 74088448
10 1568931840
11 1899233280
12 2411724800
13 2831155200
14 8757706752
15 6968215339008
16 76890652016640
17 1488206168064
18 289223097712640
19 74371653697536
20 2197648866017280
21 10176804748787712
22 29785769996451840