# A177144 (b-file synthesized from sequence entry)
0 1
1 4
2 9
3 19
4 38
5 69
6 134
7 289
8 520
9 1076
10 2134
11 4098
12 8376
13 16559
14 33020
15 66114
16 132119
17 263585
18 525765
19 1050309
20 2097946
21 4199226
22 8394235
23 16785959