# A151013 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 39
4 182
5 852
6 4108
7 19823
8 96863
9 473880
10 2332888
11 11496804
12 56851680
13 281377414
14 1395432127
15 6925190403
16 34411294573
17 171084261164
18 851292169963
19 4237755958166
20 21107672581679
21 105170417325035
22 524231455105750
23 2613788813959797
24 13036097656965666
25 65030749014857713
26 324479983088294808