# A177400 (b-file synthesized from sequence entry)
0 1
1 2
2 28
3 2024
4 635376
5 820384032
6 4281625192384
7 89850821311025280
8 7571365534761592422144
9 2561263066959640762657702400
10 3477982739629565890806006777904128