# A005176 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 2
4 4
5 3
6 8
7 6
8 22
9 26
10 176
11 546
12 19002
13 389454
14 50314870
15 2942198546
16 1698517037030
17 442786966117636
18 649978211591622812
19 429712868499646587714
20 2886054228478618215888598
21 8835589045148342277802657274
22 152929279364927228928025482936226
23 1207932509391069805495173417972533120
24 99162609848561525198669168653641835566774