[seqfan] Re: What numbers n have sum of digits(n!) which is itself a factorial?
charles.greathouse at case.edu
Tue Aug 27 22:07:38 CEST 2013
I've submitted this as A228311. If anyone wants to claim this sequence,
feel free to add your name as author.
Case Western Reserve University
On Tue, Aug 27, 2013 at 3:57 PM, Neil Sloane <njasloane at gmail.com> wrote:
> Certainly that should be in the OEIS!!
> On Tue, Aug 27, 2013 at 3:55 PM, Charles Greathouse <
> charles.greathouse at case.edu> wrote:
> > 0, 1, 2, 3, 4, 176755, and no others up to 519557.
> > I think someone posed this to me as a question: "0, 1, 2, 3, and 4 have
> > this property; can you find others?". Unfortunately I don't recall who
> > was; anyone want to take credit?
> > I found this when going through some of my notes from earlier this year.;
> > they say this was from April 30, but the calculation took a week of
> > continuous computer time so probably the question was posed around the
> > 23rd.
> > Perhaps this sequence could be submitted to the OEIS, or alternately
> > 176755 is the only known large term) to a collection like "What's Special
> > About This Number?" or Prime Curios.
> > Charles Greathouse
> > Analyst/Programmer
> > Case Western Reserve University
> > _______________________________________________
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> Dear Friends, I have now retired from AT&T. New coordinates:
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