# A087661 (b-file synthesized from sequence entry)
0 15
1 99
2 891
3 9825
4 125085
5 1772775
6 27303603
7 449394792
8 7809206685
9 141975690765
10 2681773580205
11 52342675041564
12 1051034305996356
13 21635329605783960
14 455225821135429270
15 9766746945640199070
16 213227240437260707169
17 4728776305725359233781