# A149660 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 59
5 239
6 995
7 3999
8 16717
9 72381
10 310285
11 1336973
12 5875781
13 25978769
14 114569141
15 509761121
16 2285807767
17 10256654727
18 46123726015
19 208655609019
20 946466452167
21 4297155238315
22 19570660154959
23 89412110702627
24 409003296517919
25 1873831511833471
26 8605870285350615
27 39588128811366087