# A150863 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 32
4 144
5 654
6 3080
7 14562
8 69904
9 336652
10 1634408
11 7955794
12 38912004
13 190718078
14 937615768
15 4617046948
16 22782114168
17 112556710018
18 556894922832
19 2758047110028
20 13673633536472
21 67842394306004
22 336866668035624
23 1673710798540326
24 8320763993997484
25 41386470912345362
26 205947845365884480