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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.

A274994 Primes p such that p^2 divides Sum_{k=1..(p-1)/2} (k^(p-2))*(k^(p-1)-1).

Table of values

n	a(n)
1	3
2	1093
3	3511
4	9511
5	13691

List of values

[3, 1093, 3511, 9511, 13691]

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

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