# A058855 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 8
4 22
5 52
6 142
7 362
8 973
9 2574
10 6935
11 18643
12 50573
13 137401
14 375306
15 1027898
16 2825831
17 7790055
18 21539352
19 59706865
20 165921896
21 462127857
22 1289901083
23 3607567539
24 10108555623
25 28374358327
26 79777757405
27 224653284863