# A067334 (b-file synthesized from sequence entry)
0 8
1 21
2 50
3 105
4 210
5 404
6 758
7 1395
8 2530
9 4535
10 8052
11 14184
12 24820
13 43185
14 74770
15 128901
16 221382
17 378940
18 646690
19 1100655
20 1868738
21 3165811
22 5352360
23 9032400
24 15216800
25 25595469
26 42990578
27 72110625