[seqfan] integers that are either square or thrice a square, where do such beasts hide?
Wouter Meeussen
wouter.meeussen at telenet.be
Wed Aug 29 17:01:58 CEST 2018
do they occur anywhere naturally? in combinatorics or in number theory?
I bumped into them by accident looking at bracelet-stuff.
Wouter.
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