%I #10 Mar 31 2012 13:22:09
%S 1,-1,1,-1,1,5,-1,3,-1,1,7,-1,1,5,11,3,5,11,-1,1,7,11,-1,7,11,13,17,
%T -1,3,17,-1,5,7,17,19,1,7,11,17,23,-1,9,11,15,17,1,13,17,19,23,-1,1,
%U 11,17,23,29,-1,5,9,11,21,1,5,7,11,25,31,5,7,11,17,25,31
%N Least odd number a(n) > -3 such that a(n) = p(n) - j*(j+1), where p(n) is the n-th prime.
%H Pierre CAMI, <a href="/A198798/b198798.txt">Table of n, a(n) for n = 2..9601</a>
%e p(2) = 3, k(2) = 1 = 3-1*2.
%e p(3) = 5, k(3) = -1 = 5-2*3.
%e p(4) = 7, k(4) = 1 = 7-2*3.
%e p(5) = 11, k(5) = -1 = 11-3*4.
%K sign
%O 2,6
%A _Pierre CAMI_, Oct 30 2011
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