# A019541 (b-file synthesized from sequence entry)
0 1
1 7
2 16
3 32
4 15
5 15
6 32
7 63
8 512
9 256
10 511
11 64
12 31
13 31
14 64
15 512
16 4095
17 1023
18 127
19 4095
20 1048576
21 262144
22 255