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 A211482 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w*x+w*y+x*y=w*x*y. 2

%I

%S 1,10,22,35,50,62,80,92,104,116,128,140,152,164,176,188,200,212,224,

%T 236,248,260,272,284,296,308,320,332,344,356,368,380,392,404,416,428,

%U 440,452,464,476,488,500,512,524,536,548,560,572,584,596,608,620

%N Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w*x+w*y+x*y=w*x*y.

%C For a guide to related sequences, see A211422.

%t t[n_] := t[n] = Flatten[Table[w*x + w*y + x*y - w*x*y, {w, -n, n}, {x, -n, n}, {y, -n, n}]]

%t c[n_] := Count[t[n], 0]

%t t = Table[c[n], {n, 0, 80}] (* A211482 *)

%Y Cf. A211422.

%K nonn

%O 0,2

%A _Clark Kimberling_, Apr 12 2012

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