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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.

A326145 Numbers n for which n - A007947(n) is equal to gcd(n - A007947(n), sigma(n) - A007947(n) - n).

Table of values

n a(n)
1 6
2 28
3 496
4 936
5 1638
6 8128
7 33550336

List of values

[6, 28, 496, 936, 1638, 8128, 33550336]

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

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