# A147390 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 5
9 10
10 19
11 36
12 65
13 146
14 407
15 1091
16 3253
17 10430
18 34729
19 123767
20 502614
21 2115588
22 9918395
23 49148200
24 263504620