# A125365 (b-file synthesized from sequence entry)
0 1
1 28
2 232
3 1528
4 11792
5 92328
6 740584
7 6020560
8 49474064
9 409888240
10 3418201292
11 28657884404
12 241330103336
13 2039837966168
14 17296465194604
15 147063357683748
16 1253373089577936
17 10704229282080880
18 91584291381177844