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 A275368 #20 Jan 16 2023 21:40:59 %S A275368 0,1,2,4,5,7,13,22,52,53,85,175,214,223,556,631 %N A275368 Numbers k such that A000032(k) + 2^k is a prime. %C A275368 Next term > 10^5. - _Joerg Arndt_, Jul 25 2016 %t A275368 Select[Range[0, 7000], PrimeQ[LucasL[#] + 2^#] &] %o A275368 (Magma) [n: n in [1..7000] | IsPrime(Lucas(n)+2^n)]; %o A275368 (PARI) isok(n) = isprime(fibonacci(n-1)+fibonacci(n+1)+2^n); \\ _Altug Alkan_, Jul 25 2016 %Y A275368 Cf. A000032, A088859. %K A275368 nonn,more %O A275368 1,3 %A A275368 _Vincenzo Librandi_, Jul 25 2016