# A037728 (b-file synthesized from sequence entry)
1 2
2 18
3 165
4 1486
5 13376
6 120384
7 1083459
8 9751132
9 87760190
10 789841710
11 7108575393
12 63977178538
13 575794606844
14 5182151461596
15 46639363154367
16 419754268389304
17 3777788415503738