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 A093988 #25 Jul 24 2024 07:40:56
%S A093988 1,3,5,7,11,13,35,45,47,57,87,183,325,367,447,809,1157,2789,5775,
%T A093988 14829,20687,46463,62491,92147,128745
%N A093988 Numbers k such that 2^k + 3*k is prime.
%C A093988 a(22) > 31410. - _Jinyuan Wang_, Feb 03 2020
%p A093988 A093988:=n->`if`(isprime(2^n+3*n), n, NULL): seq(A093988(n), n=1..10^3); # _Wesley Ivan Hurt_, Jan 21 2017
%t A093988 Do[ If[ PrimeQ[2^n + 3n], Print[n]], {n, 1, 5000, 2}]
%o A093988 (PARI) isok(n) = isprime(2^n + 3*n); \\ _Michel Marcus_, Jan 21 2017
%o A093988 (PFGW) ABC2 2^$a+3*$a
%o A093988 a: from 1 to 1000 // _Jinyuan Wang_, Feb 03 2020
%Y A093988 Cf. A082101, A086653, A094963.
%K A093988 nonn,more
%O A093988 1,2
%A A093988 _Robert G. Wilson v_, May 25 2004
%E A093988 a(19)-a(21) from _Ryan Propper_, Jul 05 2005
%E A093988 a(22)-a(23) from _Michael S. Branicky_, May 19 2023
%E A093988 a(24)-a(25) from _Michael S. Branicky_, Jul 24 2024