# A138562 (b-file synthesized from sequence entry)
0 1
1 4
2 38
3 616
4 14744
5 479364
6 20021768
7 1031673164
8 63597989864
9 4579513525216
10 377953469391584
11 35211153592004064
12 3657198048669038384
13 419166387797337858500
14 52561549979435515611488
15 7158828855330149502246076
16 1052478318277669232896492064
17 166132533639153074372662711680