# A177391 (b-file synthesized from sequence entry)
0 1
1 1
2 10
3 447
4 50040
5 10435970
6 3470932404
7 1677020809366
8 1106343610197376
9 953498812570622640
10 1038635682902781680400
11 1393647840093243232341272
12 2256617352635816315546864448
13 4335800009191929632579481763728