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.

A109445 Numbers k such that (concatenation of even integers through k) - 1 is a prime.

Table of values

n	a(n)
1	4
2	8
3	10
4	42
5	452
6	1014

List of values

[4, 8, 10, 42, 452, 1014]

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

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