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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.

A206418 a(n) is the least integer k > 1 such that 1 + k^(5^n) + k^(2*5^n) + k^(3*5^n) + k^(4*5^n) is prime.

Table of values

n a(n)
0 2
1 22
2 127
3 55
4 1527
5 18453
6 5517

List of values

[2, 22, 127, 55, 1527, 18453, 5517]

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