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 A378815 #19 Dec 24 2024 22:13:03 %S A378815 2,58,170,1402,1774,10802,86342 %N A378815 Numbers k such that 5^k + 64 is prime. %e A378815 2 is a term because 5^2 + 64 = 89 is prime. %t A378815 Select[Range[0,5000],PrimeQ[5^#+64]&] %o A378815 (Magma) [k: k in [0..1000] |IsPrime (5^k+64)]; %Y A378815 Cf. A089142, A124621, A217133. %K A378815 nonn,more %O A378815 1,1 %A A378815 _Robert Price_, Dec 08 2024 %E A378815 a(6) from _Michael S. Branicky_, Dec 17 2024 %E A378815 a(7) from _Michael S. Branicky_, Dec 23 2024