# A354771 (b-file synthesized from sequence entry)
1 3
2 7
3 22
4 76
5 280
6 1071
7 4190
8 16571
9 65910
10 262892
11 1050072
12 4197295
13 16783198
14 67120828
15 268459383
16 1073789677
17 4295063002
18 17180060596
19 68719859560
20 274878672591
21 1099513159069
22 4398049573690
23 17592192169587
24 70368756428006
25 281475001211340