# A147364 (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
14 173
15 621
16 1620
17 5393
18 14347
19 63207
20 232978
21 1333190
22 5780677
23 34593611
24 163090674
25 1165840626
26 6871746297