A120331 duplicates A038883 ?

[Richard Mathar]

Dear seqfans,

i observe that for large numbers n (say n>~10^6)
with sufficiently large r (say r>~20)
of representations of n as x^2+5y^2 (x,y >=0),
the even r's are much more frequent that odd r's.

Is there any theory behind this?
Thanks, zak
 



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