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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.

A247164 Primes p such that Product_{d|(p-2)} phi(d) = Product_{d|(p-1)} phi(d) where phi(x) = Euler totient function (A000010).

Table of values

n a(n)
1 3
2 5
3 7
4 17
5 257
6 65537
7 991172807
8 1872619667
9 4081364447

List of values

[3, 5, 7, 17, 257, 65537, 991172807, 1872619667, 4081364447]

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

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