# A026630 (b-file synthesized from sequence entry)
1 1
2 4
3 14
4 49
5 177
6 650
7 2417
8 9071
9 34289
10 130360
11 497928
12 1909322
13 7345470
14 28338826
15 109597727
16 424761659
17 1649314553
18 6414825656
19 24986917292
20 97458970094
21 380589237038
22 1487882440676
23 5822592097682
24 22806739654454