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A104093 as a simple table

n a(n)
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

[7,61,509,4093,32749,262139,2097143,16777213,
 134217689,1073741789,8589934583,68719476731,
 549755813881,4398046511093,35184372088777,
 281474976710597,2251799813685119,
 18014398509481951,144115188075855859]

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Last modified January 30 10:34 EST 2023. Contains 359943 sequences. (Running on oeis4.)