[seqfan] Re: "Simple" rings

[Neil Sloane]

Charles, did you look at the entry under "Rings"
in the Index to the OEIS?

On Fri, Dec 28, 2012 at 9:04 PM, Charles Greathouse <
charles.greathouse at case.edu> wrote:

> So is there a sequence in the OEIS for "number of directly indecomposable
> rings of order n"?
>
> Charles Greathouse
> Analyst/Programmer
> Case Western Reserve University
>
>
> On Fri, Dec 28, 2012 at 6:58 PM, Rob Arthan <rda at lemma-one.com> wrote:
>
> >
> > On Dec 28, 2012, at 9:53 PM, W. Edwin Clark <wclark at mail.usf.edu> wrote:
> >
> > > I'm not sure there is a name for (associative) rings that are not
> direct
> > > sums of other rings.
> >
> > The accepted term for this property in universal algebra is "directly
> > indecomposable", I believe.
> >
> > Regards,
> >
> > Rob.
> >
> >
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> >
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> >
>
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Neil J. A. Sloane, President, OEIS Foundation
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