# A177453 (b-file synthesized from sequence entry)
1 0
2 1
3 5
4 31
5 267
6 3027
7 42599
8 715191
9 13942995
10 309522515
11 7707841015
12 212783127799
13 6449579387715
14 212939326904131
15 7606688596589431
16 292321288041079671
17 12025358303201356019
18 527265684696785414387