# A148159 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 30
6 101
7 325
8 1173
9 4129
10 15600
11 57991
12 227819
13 882158
14 3556595
15 14196649
16 58341251
17 237985861
18 994094162
19 4126639959
20 17456975753
21 73516604930
22 314208829825
23 1338355571447
24 5771924502800
25 24822352236154
26 107856520063495
27 467688123042216
28 2045200218407310
29 8929933841268928