# A149282 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 11
4 44
5 143
6 611
7 2163
8 9630
9 35865
10 163797
11 633361
12 2935662
13 11687995
14 54690772
15 222657047
16 1049628640
17 4346023981
18 20619536561
19 86505774633
20 412674097142
21 1750096851891
22 8385970602390
23 35894112184155
24 172605375658844
25 744745093072759
26 3591762156155667
27 15605322676581161