# A006635 (b-file synthesized from sequence entry)
0 1
1 12
2 114
3 1012
4 8775
5 75516
6 649264
7 5593068
8 48336171
9 419276660
10 3650774820
11 31907617560
12 279871768995
13 2463161027292
14 21747225841440
15 192575673551584
16 1710009515037060
17 15223466050169520
18 135853465827080970
19 1215067013768834100