# A148427 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 18
5 62
6 238
7 916
8 3706
9 15243
10 64409
11 276189
12 1203838
13 5305479
14 23641944
15 106267870
16 481560161
17 2197119864
18 10086780977
19 46558844757
20 215964339529
21 1006146037229
22 4706126682598
23 22091433526799
24 104041065742422
25 491452327197918
26 2327802367903136
27 11053557370505303
28 52609476576750227