# A149927 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 15
4 48
5 163
6 573
7 2093
8 7827
9 29830
10 115754
11 455939
12 1817086
13 7316796
14 29756708
15 122012669
16 503813023
17 2094285936
18 8759168442
19 36826653285
20 155577457016
21 660287621380
22 2813953261588
23 12036662291890
24 51668602454264
25 222532058296393
26 961307279118620
27 4164329282317083