# A097118 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 6
4 16
5 31
6 76
7 201
8 481
9 1141
10 2806
11 6876
12 16651
13 40456
14 98641
15 240081
16 583801
17 1420726
18 3458056
19 8414391
20 20474356
21 49824601
22 121246801
23 295040781
24 717957766
25 1747108756
26 4251463651
27 10345607376
28 25175294881
29 61262300641