# A131244 (b-file synthesized from sequence entry)
0 1
1 3
2 6
3 14
4 30
5 67
6 146
7 322
8 705
9 1549
10 3396
11 7453
12 16346
13 35861
14 78659
15 172549
16 378487
17 830234
18 1821136
19 3994730
20 8762543
21 19220904
22 42161568
23 92482585
24 202863051
25 444985664
26 976088107
27 2141075804
28 4696507779