# A115515 (b-file synthesized from sequence entry)
1 0
2 3
3 10
4 30
5 82
6 226
7 615
8 1673
9 4549
10 12366
11 33616
12 91379
13 248396
14 675213
15 1835420
16 4989190
17 13562026
18 36865411
19 100210580
20 272400599
21 740461600
22 2012783314
23 5471312309
24 14872568830
25 40427833595
26 109894245428