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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.

A077780 Numbers k such that (10^k - 1)/9 + 3*10^floor(k/2) is palindromic wing prime (a.k.a. near-repdigit palindromic prime).

Table of values

n	a(n)
1	5
2	7
3	65
4	91
5	3089

List of values

[5, 7, 65, 91, 3089]

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

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