# A055250 (b-file synthesized from sequence entry)
0 1
1 9
2 47
3 187
4 630
5 1898
6 5282
7 13866
8 34831
9 84575
10 199977
11 462973
12 1053804
13 2365704
14 5250660
15 11543700
16 25177005
17 54539205
18 117456115
19 251676495
20 536892146
21 1140875254
22 2415947382
23 5100306062
24 10737455195
25 22548620283