# A138053 (b-file synthesized from sequence entry)
1 0
2 55
3 510
4 8931
5 125082
6 1914687
7 28427814
8 427716315
9 6405522930
10 96128646615
11 1441565232030
12 21625116326451
13 324363664692522
14 4865513805027567
15 72982236661089174
16 1094735666472619275
17 16421018067720814050