# A119267 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 4
5 7
6 14
7 27
8 55
9 111
10 232
11 486
12 1039
13 2226
14 4820
15 10449
16 22727
17 49354
18 107117
19 231774
20 500040