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A135786
a(n) = A000404(n)^4.
15
16, 625, 4096, 10000, 28561, 83521, 104976, 160000, 390625, 456976, 707281, 1048576, 1336336, 1874161, 2560000, 2825761, 4100625, 6250000, 7311616, 7890481, 11316496, 13845841, 17850625, 21381376, 26873856, 28398241, 29986576
OFFSET
1,1
LINKS
MATHEMATICA
nMax = 100; p := Floor[Sqrt[nMax - 1]]; Union[Flatten[Table[a^2 + b^2, {a, p}, {b, a, Floor[Sqrt[nMax - a^2]]}]]]^4 (* G. C. Greubel, Nov 09 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Nov 29 2007
EXTENSIONS
Definition corrected by Zak Seidov, Aug 05 2009
STATUS
approved