[seqfan] A169580 and Catalan's empirical claim that the triple of any odd square not divisible by 5 is a sum of squares of three primes other than 2 and 3.
Jonathan Post
jvospost3 at gmail.com
Wed Mar 3 18:58:33 CET 2010
Catalan stated empirically that the triple of any odd square not
divisible by 5 is a sum of squares of three primes other than 2 and 3.
Is this worth adding as a comment about a subsequence of to njas's new seq
A169580 Squares of the form x^2+y^2+z^2 with x,y,z positive integers.
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