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A136005 as a simple table

n a(n)
1 3
2 7
3 31
4 127
5 8191
6 131071
7 524287
8 2147483647
9 137438953471
10 2199023255551
11 8796093022207
12 9007199254740991
13 2305843009213693951
14 147573952589676412927
15 9444732965739290427391

[3,7,31,127,8191,131071,524287,2147483647,
 137438953471,2199023255551,8796093022207,
 9007199254740991,2305843009213693951,
 147573952589676412927,9444732965739290427391]

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)