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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.

A383871 Number of labeled 3-nilpotent semigroups of order n.

Table of values

n a(n)
1 0
2 0
3 6
4 180
5 11720
6 3089250
7 5944080072
8 147348275209800
9 38430603831264883632
10 90116197775746464859791750
11 2118031078806486819496589635743440
12 966490887282837500134221233339527160717340
13 17165261053166610940029331024343115375665769316911576
14 6444206974822296283920298148689544172139277283018112679406098010

List of values

[0, 0, 6, 180, 11720, 3089250, 5944080072, 147348275209800, 38430603831264883632, 90116197775746464859791750, 2118031078806486819496589635743440, 966490887282837500134221233339527160717340, 17165261053166610940029331024343115375665769316911576, 6444206974822296283920298148689544172139277283018112679406098010]

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

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