# A264231 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 10
4 37
5 144
6 582
7 2418
8 10266
9 44353
10 194395
11 862308
12 3864100
13 17466055
14 79537815
15 364543920
16 1680205044
17 7782321357
18 36202366293
19 169056409476
20 792157776138
21 3723252477558
22 17548166926908
23 82913613567012
24 392650956009063
25 1863327440038659
26 8859299215070493
27 42196115735716894
28 201303626788647712
29 961803888607574670