A135786 a(n) = A000404(n)^4.

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

Author

Artur Jasinski, Nov 29 2007

Keywords

• nonn

Links

• G. C. Greubel, Table of n, a(n) for n = 1..1400

Crossrefs

Cf. A000404, A050803, A135784, A060803, A135787, A135788.

Programs

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 *)

Extensions

Definition corrected by Zak Seidov, Aug 05 2009