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%I #9 Aug 03 2014 14:01:31
%S 0,0,1,0,4,3,12,0,1,3,6,6,16,9,4,5,3,20,6,5,4,5,21,9,16,35,6,6,18,8,
%T 28,6,46,11,39,6,3,20,22,47,93,90,13,51,27,98,34,6,12,14,21,21,49,143,
%U 18,5,58,30,37,30,6,56,16,150,72,59,12,5,34,3,28,45
%N Least number a such that (2^n+a)*2^n + 1 is a prime number
%H Pierre CAMI, <a href="/A191617/b191617.txt">Table of n, a(n) for n = 1..5000</a>
%t Table[a = 0; While[! PrimeQ[(2^n + a)*2^n + 1], a++]; a, {n, 100}] (* _T. D. Noe_, Jun 11 2011 *)
%Y Cf. A191618, A191619, A191620, A191621.
%K nonn
%O 1,5
%A _Pierre CAMI_, Jun 09 2011
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