This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A155702 #13 Mar 20 2023 13:38:46
%S A155702 23,41,89,191,233,383,503,569,1049,1559,1913,2039,2441,2729,2879,3191,
%T A155702 3863,4409,4793,5399,6263,6719,7433,8969,9239,9791,12473,12791,14783,
%U A155702 16553,18041,19991,20393,23753,26903,29759,33791,34313,37529,39191,46199
%N A155702 Primes of the form 2n^2-9.
%C A155702 Equivalently, primes of the form 2n^2+16n+23.
%H A155702 Vincenzo Librandi, <a href="/A155702/b155702.txt">Table of n, a(n) for n = 1..5000</a>
%t A155702 Select[Table[2n^2-9,{n,2,800}],PrimeQ]
%o A155702 (Magma) [a: n in [2..300] | IsPrime(a) where a is 2*n^2-9];
%Y A155702 Cf. A155703, A153037.
%K A155702 nonn,easy
%O A155702 1,1
%A A155702 _Vincenzo Librandi_, Jan 25 2009
%E A155702 Definition rewritten by _Bruno Berselli_, Dec 04 2011