# A204686 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 18
5 62
6 228
7 869
8 3410
9 13663
10 55689
11 230276
12 963851
13 4076429
14 17394641
15 74798044
16 323797908
17 1409980003
18 6171824159
19 27141256911
20 119854448404
21 531261779875
22 2362873352568
23 10541865261557
24 47165485163426
25 211572830443060
26 951338664998601
27 4287174496933723