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 A367037 #16 Nov 05 2023 09:02:16 %S A367037 2,8,31,79,661,769,1904,2527,9032,15895,19171 %N A367037 Numbers k such that k^3*2^k - 1 is a prime. %C A367037 If it exists, a(12) > 100000. - _Hugo Pfoertner_, Nov 03 2023 %t A367037 Select[Range[3000], PrimeQ[#^3*2^# - 1] &] (* _Amiram Eldar_, Nov 04 2023 *) %o A367037 (Magma) [k: k in [1..700] | IsPrime(k^3*2^k-1)]; %Y A367037 Numbers k such that k^m*2^k - 1 is prime: A000043 (m = 0), A002234 (m = 1), A058781 (m = 2), this sequence (m = 3). %K A367037 nonn,more %O A367037 1,1 %A A367037 _Juri-Stepan Gerasimov_, Nov 02 2023 %E A367037 a(11) from _Hugo Pfoertner_, Nov 02 2023