# A148658 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 25
5 65
6 263
7 818
8 3460
9 11295
10 49589
11 171337
12 756364
13 2728977
14 12218413
15 45154693
16 204526668
17 774395008
18 3523749667
19 13608411568
20 62334220137
21 244098295369
22 1124429301897
23 4462694940662
24 20623721325354
25 82801756928869
26 384104350127336
27 1556170558698583
28 7243115019135401