# A135926 (b-file synthesized from sequence entry)
0 3
1 14
2 57
3 235
4 969
5 4014
6 16695
7 69678
8 291609
9 1223060
10 5138488
11 21617717
12 91044538
13 383775880
14 1618868769
15 6832842691
16 28853864329
17 121894728098
18 515129513163
19 2177588642423
20 9207559005080
21 38940990014941
22 164721537694077
23 696889444599910