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A158517 Numbers n with property that 4 n^2 are squares arising in A158470. 1

%I #2 Mar 30 2012 17:26:29

%S 3,12,18,102,192,762,843,1332,1368,1587,2013,2307,2907,3702,3762,3798,

%T 3867,5367,5433,5622,5793,6117,7008,7758,8352,10488,11022,11523,12078,

%U 12303,12462,16473,16593,17292,17688,17958,18462,18513,19458,21543

%N Numbers n with property that 4 n^2 are squares arising in A158470.

%H Zak Seidov, <a href="http://zak08.livejournal.com/8100.html">A158517</a>

%Y A158470 n such that prime (n - 1) + 7 is square and equal to prime (n + 1) - 1.

%K nonn

%O 1,1

%A _Zak Seidov_, Mar 20 2009

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Last modified March 28 07:20 EDT 2024. Contains 371235 sequences. (Running on oeis4.)