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.

A030263 Number of nonisomorphic commutative groupoids with 1 idempotent.

Table of values

n a(n)
1 1
2 2
3 57
4 18544
5 104208775
6 12244640803344
7 36193798266945468968
8 3160642595226430678271332032
9 9374102814860736866561050257041372709
10 1067627008939949742128760399369846160513647927040

List of values

[1, 2, 57, 18544, 104208775, 12244640803344, 36193798266945468968, 3160642595226430678271332032, 9374102814860736866561050257041372709, 1067627008939949742128760399369846160513647927040]

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

Content is available under The OEIS End-User License Agreement.