# A291097 (b-file synthesized from sequence entry)
2 3
3 8
4 20
5 47
6 106
7 233
8 504
9 1079
10 2294
11 4853
12 10228
13 21491
14 45042
15 94193
16 196592
17 409583
18 851950
19 1769453
20 3669996
21 7602155
22 15728618
23 32505833
24 67108840
25 138412007
26 285212646
27 587202533
28 1207959524
29 2483027939
30 5100273634
31 10468982753
32 21474836448
33 44023414751