# A148290 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 13
5 34
6 102
7 304
8 925
9 2930
10 9356
11 30311
12 99822
13 331596
14 1112254
15 3760716
16 12814621
17 43943067
18 151483760
19 525294768
20 1829733893
21 6399076740
22 22474998817
23 79217132995
24 280099122391
25 993531937083
26 3534287684677
27 12604497105919
28 45063361029910
29 161487916713614
30 579923511283958
31 2086743518925658