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.

A309744 Numbers k such that 81*10^(2*k) + 9*10^k + 1 is prime.

Table of values

n a(n)
1 1
2 3
3 17
4 31
5 7101
6 14183

List of values

[1, 3, 17, 31, 7101, 14183]

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

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