# A107113 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 3
4 6
5 11
6 24
7 52
8 125
9 307
10 809
11 2190
12 6249
13 18348
14 56016
15 176272
16 571113
17 1906091
18 6517283
19 22879944
20 82144248
21 301617448
22 1131401427
23 4327790902
24 16886037207
25 67073179408
26 271242546501
27 1115489848809
28 4662462489619