# A026570 (b-file synthesized from sequence entry)
1 1
2 1
3 4
4 7
5 20
6 43
7 111
8 259
9 648
10 1565
11 3885
12 9533
13 23662
14 58547
15 145630
16 362151
17 903110
18 2253615
19 5633359
20 14094035
21 35304658
22 88511733
23 222115782
24 557819793
25 1401987930
26 3526066273
27 8874034647
28 22346581133
29 56304982154