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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.

A142959 Numbers k such that both (k!)^2 + k! + 1 and (k!)^2 + 1 are prime.

Table of values

n	a(n)
1	1
2	2
3	3
4	4
5	76

List of values

[1, 2, 3, 4, 76]

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

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