# A099003 (b-file synthesized from sequence entry)
0 1
1 16
2 46
3 106
4 226
5 466
6 946
7 1906
8 3826
9 7666
10 15346
11 30706
12 61426
13 122866
14 245746
15 491506
16 983026
17 1966066
18 3932146
19 7864306
20 15728626
21 31457266
22 62914546
23 125829106
24 251658226
25 503316466
26 1006632946
27 2013265906
28 4026531826