# A331938 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 10
4 28
5 83
6 227
7 626
8 1644
9 4290
10 11322
11 28965
12 74469
13 189436
14 471910
15 1166247
16 2884920
17 7130085
18 17349489
19 42180190
20 101820577
21 242907065
22 579402163
23 1375056009
24 3262651085
25 7768448187
26 18411720785