# A125657 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 19
4 79
5 372
6 1947
7 11177
8 69705
9 468429
10 3369363
11 25796583
12 209239154
13 1790741544
14 16114087300
15 151993139245
16 1498673357622
17 15410094488805
18 164884814714349
19 1832270712038289
20 21109130822778032
21 251727974604724389