# A147227 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 3
9 6
10 9
11 16
12 23
13 72
14 177
15 631
16 1684
17 5696
18 15819
19 69884
20 263612
21 1492069
22 6667995
23 40872228
24 203062570
25 1480955534
26 9070964673
27 81908729534