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A138669 Values of z in solutions (x,y,z) to the Diophantine equation x^3-x^2+y^3-y^2=z^3-z^2, with 1<x<y<z arranged in order of increasing x. 2

%I #5 Mar 30 2012 18:35:47

%S 108,304,250,356,389,785,444,901,1298,1864,3480,2159,6828,3029,6149,

%T 5439,44994,67094,9259,13305,20934,23895,16854,18660,23936,19653,

%U 32034,28996,31940,54974,97259,28164,26742,27984,37958,62880,88704,610326

%N Values of z in solutions (x,y,z) to the Diophantine equation x^3-x^2+y^3-y^2=z^3-z^2, with 1<x<y<z arranged in order of increasing x.

%C A045991(z)=A045991(x)+A045991(y), y=A138668(n) and x=A138667(n).

%Y Cf. A138667, A138668, A045991.

%K nonn

%O 1,1

%A _Manuel Valdivia_, Apr 17 2008

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)