# A128910 (b-file synthesized from sequence entry)
1 0
2 3
3 20
4 119
5 715
6 4523
7 30509
8 213343
9 1530983
10 11203550
11 83064263
12 620498643
13 4643259527
14 34592032908
15 254639722327
16 1832740718223
17 12680919388801
18 81678704122892
19 452951221016511
20 1574800035301944
21 8395299939524712
22 282240813012897282
23 4457697545906326118
24 58106920364272792945
25 693274802905577732102
26 7864635685729658131835