OFFSET
1,1
LINKS
Robin Visser, Table of n, a(n) for n = 1..10000 (terms n = 1..100 from Harvey P. Dale).
Eric Weisstein's World of Mathematics, Cuboid.
EXAMPLE
32 is the volume of the cuboid of sides 8,4,1 which has main diagonal = 9.
MATHEMATICA
With[{nn=50}, Take[Union[Times@@@Select[Union[Sort/@Tuples[Range[ 2nn], 3]], IntegerQ[ Sqrt[ Total[#^2] ]]&]], nn]] (* Harvey P. Dale, Jun 05 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Giovanni Resta, May 05 2006
STATUS
approved