[seqfan] Re: square loop generalised to power loop

hv at crypt.org hv at crypt.org
Thu Oct 17 09:38:00 CEST 2019


Thanks all, I see that this is mostly well covered already in OEIS.

Neil Fernandez <primeness at borve.org> wrote:
:Another sequence is
:
:a(n):= smallest k such that {1, 2 ,..., k} can be arranged in a loop in
:which every consecutive pair sums to an nth power
:
:The sequence begins 1, 32, ...

This seems to be the main one that's missing; I'll have a go at finding
more terms for this in a week (when I return from a trip) - I think it
should actually be easier than A304120.

Hugo



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