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.

A316360 Numbers k such that (2^k-2)^2-3 is prime.

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%I A316360 #20 Nov 27 2024 10:32:54
%S A316360 4,8,12,14,18,32,62,66,96,120,122,140,180,202,228,740,800,810,1012,
%T A316360 1142,1386,1496,1698,4622,5674,54892,75482
%N A316360 Numbers k such that (2^k-2)^2-3 is prime.
%p A316360 select(k->isprime(4^k-2^(2+k)+1),[$ 1..3000]); # _Muniru A Asiru_, Jul 01 2018
%t A316360 Select[Range[3000], PrimeQ[(2^# - 2)^2 - 3] &] (* _Michael De Vlieger_, Jun 30 2018 *)
%o A316360 (PARI) is(n)=ispseudoprime((2^n-2)^2-3)
%o A316360 (Magma) [n: n in [2..750] |IsPrime((2^n - 2)^2 - 3)]; // _Vincenzo Librandi_, Jul 01 2018
%K A316360 nonn,more
%O A316360 1,1
%A A316360 _Patrick C. Schneider_, Jun 30 2018
%E A316360 a(26) from _Giovanni Resta_, Jul 02 2018
%E A316360 a(27) from _Michael S. Branicky_, Nov 27 2024