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.

A058149 Monoids of order n with 3 idempotents, considered to be equivalent when they are isomorphic or anti-isomorphic (by reversal of the operator).

Table of values

n a(n)
3 2
4 10
5 47
6 283
7 2139

List of values

[2, 10, 47, 283, 2139]

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

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