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Consecutive triples (x=(p^2-1)/2,2*p,y=z=(p^2+1)/2), p prime, representing isosceles triangles with sides (x,y,z).
1

%I #5 Mar 30 2012 18:52:25

%S 4,6,5,12,10,13,24,14,25,60,22,61,84,26,85,144,34,145,180,38,181,264,

%T 46,265,420,58,421,480,62,481,684,74,685,840,82,841,924,86,925,1104,

%U 94,1105,1404,106,1405,1740,118,1741,1860,122,1861,2244,134,2245,2520,142

%N Consecutive triples (x=(p^2-1)/2,2*p,y=z=(p^2+1)/2), p prime, representing isosceles triangles with sides (x,y,z).

%C Or: Triples A084921(i), A100484(i), A066885(i), i=2,3... in compound order.

%K nonn,less

%O 1,1

%A _Juri-Stepan Gerasimov_, Jun 13 2008

%E Edited by R. J. Mathar, Jun 16 2008 and Jun 17 2008

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Last modified September 23 12:12 EDT 2024. Contains 376164 sequences. (Running on oeis4.)