# A107718 (b-file synthesized from sequence entry)
0 1
1 6
2 57
3 723
4 11361
5 212151
6 4584081
7 112480887
8 3090105921
9 93988998183
10 3136338148017
11 113945190405303
12 4477940877230625
13 189296643095867847
14 8565988634172222609
15 413169192012610306263
16 21161884092470464784385