# A156131 (b-file synthesized from sequence entry)
0 1
1 3
2 19
3 177
4 2201
5 34203
6 637819
7 13876377
8 345022001
9 9650948403
10 299951259619
11 10254726248577
12 382459993625801
13 15452902408998603
14 672386203441625419
15 31346622138810396777
16 1558803698602736533601
17 82360892667114765064803
18 4607594447779876771255219