# A018161 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 6
4 10
5 16
6 28
7 49
8 85
9 148
10 256
11 446
12 777
13 1352
14 2353
15 4096
16 7132
17 12417
18 21619
19 37641
20 65536
21 114105
22 198669
23 345902
24 602249
25 1048576
26 1825677
27 3178689
28 5534418
29 9635981
30 16777216
31 29210830