# A061174 (b-file synthesized from sequence entry)
0 15
1 545
2 7043
3 57560
4 365045
5 1970905
6 9520315
7 42385132
8 177293730
9 705980760
10 2701362950
11 10001654350
12 36020160943
13 126701700755
14 436709397085
15 1478813477920
16 4930328078835
17 16212542696607