OFFSET
1,2
LINKS
Harvey P. Dale,Table of n, a(n) for n = 1..1000
N. J. A. Sloane et al.,Binary Quadratic Forms and OEIS(Index to related sequences, programs, references)
MATHEMATICA
Module[{upto=500, nn}, nn=Ceiling[Sqrt[upto/5]]; Select[Union[5#[[1]]^2+ 7#[[2]]^2 &/@ Tuples[Range[0, nn], 2]], #<=upto&]] (*Harvey P. Dale,Jan 20 2016 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
STATUS
approved