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.

A274175 Composite numbers c that set a new record for the number of bases b with 1 < b < c such that c satisfies b^(c-1) == 1 (mod c^2), i.e., such that c is a base-b "Wieferich pseudoprime".

Table of values

n a(n)
1 133
2 1065
3 141373

List of values

[133, 1065, 141373]

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

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