# A153945 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 15
4 38
5 116
6 499
7 3634
8 26242
9 291832
10 2965112
11 51213790
12 844607038
13 23147940890
14 598064925200
15 25057845860011
16 1027607776126888