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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A145097 a(n) is the largest proper divisor of the Mersenne composite A065341(n).

Table of values

n a(n)
1 89
2 178481
3 2304167
4 616318177
5 164511353
6 20408568497
7 59862819377
8 1416003655831
9 3203431780337
10 761838257287
11 10334355636337793
12 21514198099633918969
13 224958284260258499201
14 57912614113275649087721

List of values

[89, 178481, 2304167, 616318177, 164511353, 20408568497, 59862819377, 1416003655831, 3203431780337, 761838257287, 10334355636337793, 21514198099633918969, 224958284260258499201, 57912614113275649087721]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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