# A150708 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 26
4 122
5 452
6 2208
7 8698
8 42938
9 175234
10 870066
11 3635546
12 18103834
13 76938626
14 383743186
15 1651914246
16 8246876034
17 35861486132
18 179131833684
19 785374015858
20 3924378294226
21 17323510220366
22 86581425739210
23 384410552266316
24 1921519678244308
25 8573682536880550
26 42860427587164794
27 192066028460933972