# A054653 (b-file synthesized from sequence entry)
0 1
1 6
2 204
3 19164
4 3733056
5 1288391040
6 712770186240
7 589563294888960
8 692610802412175360
9 1110893919113884631040
10 2357555468242103997235200
11 6453187419589244410090291200
12 22305345996450386267133758668800