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.

A079187 Number of isomorphism classes of non-anti-commutative closed binary operations (groupoids) on a set of order n.

Table of values

n a(n)
1 1
2 4
3 2334
4 147124304
5 2216860823492185
6 13395780829563177947362200
7 48974776899548402559651008669035131863
8 151979850442580207421627199010701131897617064179661376
9 534046142973031436667769900555231150876473571233474760878454735694121879

List of values

[1, 4, 2334, 147124304, 2216860823492185, 13395780829563177947362200, 48974776899548402559651008669035131863, 151979850442580207421627199010701131897617064179661376, 534046142973031436667769900555231150876473571233474760878454735694121879]

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

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