cp's OEIS Frontend

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.

A154601 Primes of the form 2*n^2 + 22*n + 9.

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%I A154601 #14 Sep 08 2022 08:45:40
%S A154601 61,313,709,1249,1933,3229,3733,4273,6793,8269,10753,12589,16693,
%T A154601 20149,23929,25261,29473,30949,35593,44053,45853,79549,89413,91969,
%U A154601 94561,108061,116593,128473,140929,150649,164113,189061,200293,240073,248461
%N A154601 Primes of the form 2*n^2 + 22*n + 9.
%C A154601 2*a(n) + 103 is a square. - _Vincenzo Librandi_, Apr 10 2015
%H A154601 Vincenzo Librandi, <a href="/A154601/b154601.txt">Table of n, a(n) for n = 1..1000</a>
%t A154601 Select[Table[2n^2+22n+9,{n,0,300}],PrimeQ] (* _Vincenzo Librandi_, Jul 23 2012 *)
%o A154601 (Magma) [a: n in [0..400] | IsPrime(a) where a is 2*n^2+22*n+9]; // _Vincenzo Librandi_, Jul 23 2012
%o A154601 (PARI) for (n=0, 300, if (isprime (k=2*n^2+14*n+5), print1 (k, ",  "))); \\ _Vincenzo Librandi_, Jul 23 2012
%Y A154601 Cf. A154600.
%K A154601 nonn,easy
%O A154601 1,1
%A A154601 _Vincenzo Librandi_, Jan 12 2009