# A067507 (b-file synthesized from sequence entry)
1 2
2 4
3 8
4 64
5 512
6 2048
7 8192
8 16384
9 32768
10 131072
11 2097152
12 67108864
13 4294967296
14 8589934592
15 68719476736
16 137438953472
17 2199023255552
18 4398046511104
19 8796093022208
20 17592186044416
21 35184372088832
22 70368744177664