cp's OEIS Frontend

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.

A123599 Smallest generalized Fermat prime of the form a^(2^n) + 1, where base a>1 is an integer; or -1 if no such prime exists.

Table of values

n a(n)
0 3
1 5
2 17
3 257
4 65537
5 185302018885184100000000000000000000000000000001

List of values

[3, 5, 17, 257, 65537, 185302018885184100000000000000000000000000000001]

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

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