# A132838 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 22
5 78
6 273
7 984
8 3573
9 13138
10 48670
11 181625
12 681630
13 2570979
14 9738171
15 37021873
16 141199583
17 540058408
18 2070814185
19 7958280782
20 30646175351
21 118230058466
22 456879024997
23 1768206394844
24 6852795439360
25 26592367534410