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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.

A308413 Numbers k such that 23^(k+19) + 19^(k+17) + 17^(k+13) + 13^(k+11) + 11^(k+7) + 7^(k+5) + 5^(k+3) + 3^(k+2) - 1 is prime.

Table of values

n a(n)
1 6
2 60
3 66
4 414
5 29340

List of values

[6, 60, 66, 414, 29340]

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

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