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 A248546 #24 Oct 10 2024 01:43:47 %S A248546 1,2,25,32,62,128,848,2091,2882,11761,25915 %N A248546 Numbers k such that 75^k - 2 is prime. %C A248546 Dedicated to N. J. A. Sloane for his 75th birthday! %t A248546 Select[Range[1000],PrimeQ[75^#-2]&] %o A248546 (Magma) [n: n in [0..200] | IsPrime(75^n-2)]; // _Vincenzo Librandi_, Oct 08 2014 %o A248546 (PARI) is(n)=ispseudoprime(75^n-2) \\ _Charles R Greathouse IV_, Jun 13 2017 %Y A248546 Cf. A014224, A109080, A090669, A128455, A128457, A128458, A128459, A128460, A376850. %K A248546 nonn,more %O A248546 1,2 %A A248546 _Vaclav Kotesovec_, Oct 08 2014 %E A248546 a(10) from _Michael S. Branicky_, Apr 02 2023 %E A248546 a(11) from _Michael S. Branicky_, Oct 10 2024