# A025132 (b-file synthesized from sequence entry)
2 1
3 12
4 119
5 1090
6 9592
7 82432
8 697615
9 5841606
10 48541826
11 401049352
12 3298721384
13 27037279984
14 220976019552
15 1801829443072
16 14663530220175
17 119138596786414
18 966631388383438
19 7833369734693512