# A026952 (b-file synthesized from sequence entry)
1 1
2 4
3 24
4 90
5 541
6 2032
7 12275
8 46472
9 282003
10 1075404
11 6549906
12 25125114
13 153481299
14 591529776
15 3622111560
16 14013307170
17 85975792075
18 333669151420
19 2050493623760
20 7978700883230
21 49098707209695
22 191470222802880
23 1179633190545755
24 4608890486329844
25 28423658754983701