# A268171 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 9
5 46
6 245
7 1474
8 10315
9 82174
10 726591
11 7038632
12 74216949
13 847103658
14 10407684559
15 136932309578
16 1920656913247
17 28609816527534
18 451057722743007
19 7503877147726572
20 131368238149821145
21 2414204385183262842
22 46469039032487849079
23 934915621488296098358
24 19624030747998750863203