# A184096 (b-file synthesized from sequence entry)
1 1
2 2
3 7
4 18
5 31
6 98
7 127
8 450
9 511
10 1922
11 2047
12 7938
13 8191
14 32258
15 32767
16 130050
17 131071
18 522242
19 524287
20 2093058