# A003232 (b-file synthesized from sequence entry)
0 1
1 7
2 19
3 49
4 120
5 284
6 656
7 1488
8 3328
9 7360
10 16128
11 35072
12 75776
13 162816
14 348160
15 741376
16 1572864
17 3325952
18 7012352
19 14745600
20 30932992
21 64749568
22 135266304
23 282066944
24 587202560
25 1220542464