# A149165 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 9
4 41
5 121
6 564
7 1898
8 8998
9 32554
10 156240
11 592929
12 2866956
13 11256910
14 54711837
15 220307006
16 1074842238
17 4413112774
18 21592348681
19 90038673397
20 441513104951
21 1864452719636
22 9158651736488
23 39082877245462
24 192260900527113
25 827716023610037
26 4076664109196259
27 17683747991284705