# A150874 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 33
4 147
5 665
6 3069
7 14351
8 67682
9 321645
10 1536554
11 7373439
12 35510303
13 171523172
14 830617655
15 4030944844
16 19598755697
17 95445770015
18 465489512930
19 2273101939130
20 11112825832996
21 54384910175650
22 266402275260777
23 1306072238139562
24 6408180582287817
25 31463944340932148
26 154588958558644633