# A157968 (b-file synthesized from sequence entry)
0 0
1 1
2 15
3 63
4 127
5 255
6 511
7 1023
8 4095
9 16383
10 32767
11 65535
12 262143
13 1048575
14 2097151
15 4194303
16 16777215
17 33554431
18 67108863
19 134217727
20 268435455
21 1073741823
22 4294967295