# A147022 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 5
8 13
9 31
10 111
11 377
12 1541
13 10233
14 72291
15 558454
16 5131417
17 54944663
18 692190273
19 10939712070
20 204848963285
21 4494698536817
22 115494793546585
23 3510886748616781
24 126280436031316355