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.

A222406 Number of isomorphism types of automorphism groups of semigroups of order n.

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%I A222406 #18 Jan 14 2024 06:56:36
%S A222406 1,2,3,5,10,14,24,38,65
%N A222406 Number of isomorphism types of automorphism groups of semigroups of order n.
%H A222406 A. Distler and T. Kelsey, <a href="http://arxiv.org/abs/1301.6023">The semigroups of order 9 and their automorphism groups</a>, arXiv preprint arXiv:1301.6023 [math.CO], 2013.
%Y A222406 Cf. A174511.
%K A222406 nonn,more,hard,nice
%O A222406 1,2
%A A222406 _N. J. A. Sloane_, Feb 19 2013