# A183188 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 19
4 59
5 183
6 568
7 1763
8 5472
9 16984
10 52715
11 163617
12 507835
13 1576220
14 4892277
15 15184666
16 47130218
17 146282931
18 454033459
19 1409230595
20 4373974716
21 13575957607
22 42137103416
23 130785284964
24 405931812499
25 1259932540913
26 3910582907703
27 12137680535608