# A077231 (b-file synthesized from sequence entry)
0 1
1 6
2 240
3 448
4 138240
5 225280
6 402554880
7 1857945600
8 1010722406400
9 301234913280
10 5859811786752
11 55010477998080
12 9141306387333120000
13 7898088718655815680
14 1017975879293416243200
15 161212016644168089600