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 A201476 #10 Apr 22 2025 02:41:36
%S A201476 11,17,41,59,107,137,251,347,401,521,587,809,977,1259,1361,1931,2459,
%T A201476 2897,3209,3371,3881,4241,5009,5417,6737,6971,7451,9257,10091,10667,
%U A201476 11867,12491,12809,13457,15497,16937,17681,18059,20411,21227,22481,22907,25097,26459
%N A201476 Primes of the form 2*k^2 + 9.
%H A201476 Vincenzo Librandi, <a href="/A201476/b201476.txt">Table of n, a(n) for n = 1..5000</a>
%F A201476 a(n) = A339048(A111040(n)). - _Elmo R. Oliveira_, Apr 21 2025
%t A201476 Select[Table[2n^2+9,{n,0,700}],PrimeQ]
%o A201476 (Magma) [a: n in [0..400] | IsPrime(a) where a is 2*n^2+9];
%Y A201476 Cf. A111040, A339048.
%K A201476 nonn,easy
%O A201476 1,1
%A A201476 _Vincenzo Librandi_, Dec 02 2011