[seqfan] Re: Verification: 13 is or is not a square modulo 26
William Keith
william.keith at gmail.com
Tue Nov 26 17:54:16 CET 2019
Indeed, in general any odd number J = 2k+1 is a square modulo 2J, since J^2
= (2k+1)J = 2kJ + J.
William
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