# A150980 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 36
4 172
5 764
6 3738
7 17394
8 85969
9 409193
10 2032180
11 9802215
12 48810329
13 237464514
14 1184244681
15 5795208834
16 28927219072
17 142152883742
18 709968042801
19 3499753601881
20 17485492844132
21 86398426550561
22 431766989347839
23 2137373482226085
24 10682993115440130
25 52961770891131667
26 264741385310955462