# A104093 (b-file synthesized from sequence entry)
1 7
2 61
3 509
4 4093
5 32749
6 262139
7 2097143
8 16777213
9 134217689
10 1073741789
11 8589934583
12 68719476731
13 549755813881
14 4398046511093
15 35184372088777
16 281474976710597
17 2251799813685119
18 18014398509481951
19 144115188075855859