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.

A037292 Number of nonassociative rings with n elements.

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%I A037292 #9 Feb 28 2019 11:21:57
%S A037292 1,2,2,55,2,4,2,801288,165,4,2,110,2,4,4
%N A037292 Number of nonassociative rings with n elements.
%C A037292 The standard definition of a ring requires that multiplication be associative, so these are very nonstandard rings.
%C A037292 The rings need not contain a multiplicative unit.
%C A037292 In fact more is known: 1,2,2,55,2,4,2,801288,165,4,2,110,2,4,4,?,2,330,2,110,4,4,2,1602576.
%C A037292 This sequence may be multiplicative. - _Mitch Harris_, Apr 19 2005
%Y A037292 Cf. A027623.
%K A037292 nonn,more
%O A037292 1,2
%A A037292 _Christian G. Bower_, Jun 15 1998