# A131246 (b-file synthesized from sequence entry)
0 1
1 3
2 6
3 13
4 27
5 57
6 119
7 250
8 523
9 1097
10 2297
11 4815
12 10086
13 21137
14 44283
15 92793
16 194419
17 407378
18 853559
19 1788481
20 3747361
21 7851867
22 16451910
23 34471669
24 72228171
25 151339401
26 317100335
27 664418698
28 1392152131