# A153934 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 3
4 4
5 7
6 9
7 37
8 44
9 122
10 360
11 837
12 1955
13 11063
14 21562
15 102402
16 455597
17 1800255
18 6701316
19 61868659
20 193623470
21 1467251281
22 10855933316
23 68253791333
24 417351118269
25 6197640479557
26 31389717866283
27 387573069042758