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 A366422 #23 Nov 17 2023 23:35:49 %S A366422 1,24,33,36,99,195,244,464,567,621,741,1395,2164,3309,3537,3708,4413, %T A366422 5001,5187,5292,15504,18816,19521,24657,27972,57687 %N A366422 Numbers k such that k^4*2^k + 1 is a prime. %C A366422 No further terms <= 100000. - _Michael S. Branicky_, Nov 17 2023 %t A366422 Select[Range[6000], PrimeQ[#^4*2^# + 1] &] (* _Amiram Eldar_, Nov 16 2023 *) %o A366422 (Magma) [k: k in [0..4000] | IsPrime(k^4*2^k+1)]; %Y A366422 Numbers k such that k^m*2^k + 1 is a prime: 0, 1, 2, 4, 8, 16, .. (m = 0), A005849 (m = 1), A058780 (m = 2), A357612 (m = 3), this sequence (m = 4). %Y A366422 Cf. A092506, A367102. %K A366422 nonn,more %O A366422 1,2 %A A366422 _Juri-Stepan Gerasimov_, Nov 16 2023 %E A366422 a(22)-a(25) from _Amiram Eldar_, Nov 17 2023 %E A366422 a(26) from _Michael S. Branicky_, Nov 17 2023