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%I #6 Oct 13 2012 03:34:31
%S 29,311,491,881,2089,3331,3389,6761,9649,20231,34499,36191,47629,
%T 66431,81649,93479,103841,133769,136711,151901,191621,195581,216919,
%U 302221,416989,448561,459341,475751,521641,532531,574939,715289,955991,1076921
%N Primes of the form (p^2 - 1)/16 - p, where p is also a prime.
%H Vincenzo Librandi, <a href="/A165616/b165616.txt">Table of n, a(n) for n = 1..1000</a>
%e 29 = (31^2-1)/16-31. 311 = (79^2-1)/16-79. 491 = (97^2-1)/16-97.
%t Select[Table[(p^2 - 1)/16 - p, {p, Prime[Range[300]]}], PrimeQ] (* _Vincenzo Librandi_, Oct 12 2012 *)
%Y Cf. A165615.
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Sep 22 2009
%E 9649 inserted and sequence extended by _R. J. Mathar_, Oct 16 2009
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