# A048115 (b-file synthesized from sequence entry)
3 1
4 1
5 2
6 4
7 6
8 12
9 24
10 42
11 84
12 168
13 312
14 624
15 1248
16 2388
17 4776
18 9552
19 18576
20 37152
21 74304
22 145884
23 291768
24 583536
25 1152456
26 2304912
27 4609824
28 9138888
29 18277776
30 36555552
31 72654552
32 145309104
33 290618208
34 578607912