# A196734 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 22
4 377
5 15236
6 1458577
7 326046946
8 166826961233
9 192154584592072
10 491898410990385281
11 2770349200953966300494
12 34041983929934523771795481
13 906333341309409985333411618492
14 51972772881917637838407651811301201
15 6386414140694907598544170345261596881026