# A132877 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 240
4 12400
5 1242720
6 202721064
7 48537596352
8 15957585674496
9 6876698410667520
10 3753254881686618880
11 2526792466623639379968
12 2054649298830229608019968
13 1983702201237461333545885696