# A177781 (b-file synthesized from sequence entry)
1 1
2 6
3 162
4 15336
5 5135400
6 6403850928
7 30733361357328
8 576178771105452672
9 42495458789243292762240
10 12378928091101498820594407680
11 14278666564505879853034906179788544