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Let Py(n)=A000330(n)=n-th square pyramidal number. Consider all integer triples (i,j,k), j >= k>0, with Py(i)=Py(j)+Py(k), ordered by increasing i; sequence gives k values.
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%I #8 Oct 17 2012 08:49:54

%S 42,24,50,126,124,212,136,189,304,439,461,145,375,399,219,742,417,742,

%T 1239,1100,1058,1474,1569,434,1126,2669,3076,580,2650,3170,3531,3921,

%U 3647,4525,3484,963,3317,5596,5559,3503,6969,1205,6083,5323,6962,4088

%N Let Py(n)=A000330(n)=n-th square pyramidal number. Consider all integer triples (i,j,k), j >= k>0, with Py(i)=Py(j)+Py(k), ordered by increasing i; sequence gives k values.

%C i values are A053719 and j values are A053720.

%e Py(55) = 56980 = Py(45) + Py(42); Py(70) = 116795 = Py(69) + Py(24);

%Y Cf. A000330, A053719, A073720.

%K easy,nice,nonn

%O 0,1

%A Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Feb 11 2000

%E Crossrefs in comments corrected by _Jean-François Alcover_, Oct 17 2012