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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.

A350874 a(n) is the number of nonisomorphic magmas with n elements which satisfy the identity (xx)y = x(xy) for all x and y (so-called left-alternative magmas).

Table of values

n a(n)
0 1
1 1
2 5
3 97
4 25311
5 165974649

List of values

[1, 1, 5, 97, 25311, 165974649]

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

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