# A047024 (b-file synthesized from sequence entry)
2 1
3 2
4 3
5 7
6 38
7 66
8 293
9 1144
10 5452
11 22610
12 89617
13 370658
14 1495184
15 5933517
16 23790663
17 94871091
18 376066283
19 1494417598
20 5930990794
21 23487622433
22 93066819110
23 368664549287
24 1459293473323
25 5777177019563
26 22871054333027