# A027984 (b-file synthesized from sequence entry)
0 1
1 6
2 20
3 58
4 161
5 436
6 1165
7 3088
8 8146
9 21426
10 56255
11 147538
12 386681
13 1013026
14 2653240
15 6948058
16 18193141
17 47634936
18 124717445
19 326526748
20 854877926
21 2238131506
22 5859556195
23 15340601158
24 40162350961
25 105146619486
26 275277778940