# A113359 (b-file synthesized from sequence entry)
0 1
1 16
2 264
3 4912
4 104476
5 2531004
6 69265724
7 2122120824
8 72160283026
9 2702008172582
10 110631977612048
11 4922281897250776
12 236665779016591350
13 12236187035970192634
14 677311496213007409312
15 39980910968200568816168