cp's OEIS Frontend

A211635 Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^2

%I A211635 #5 Dec 04 2016 19:46:27
%S A211635 0,1,7,22,51,97,166,263,391,554,756,1004,1303,1653,2061,2530,3068,
%T A211635 3677,4362,5126,5973,6912,7942,9071,10304,11640,13087,14649,16333,
%U A211635 18142,20078,22150,24357,26707,29202,31845,34649,37610,40739,44031
%N A211635 Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^2<x^2+y^2.
%C A211635 For a guide to related sequences, see A211422.
%t A211635 t = Compile[{{n, _Integer}}, Module[{s = 0},
%t A211635     (Do[If[w^2 < x^2 + y^2, s = s + 1],
%t A211635         {w, 1, #}, {x, 1, #}, {y, 1, #}] &[n]; s)]];
%t A211635 Map[t[#] &, Range[0, 50]]  (* A211635 *)
%t A211635 (* _Peter J. C. Moses_, Apr 13 2012 *)
%Y A211635 Cf. A211422.
%K A211635 nonn
%O A211635 0,3
%A A211635 _Clark Kimberling_, Apr 18 2012