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 A233008 #46 Oct 15 2024 04:32:17 %S A233008 2,3,5,7,13,17,19,7,13,17,11,7,17,7,7,19,1,1,5,7,17,5,5,17,5,1,1,11,7, %T A233008 1,19,23,17,19,5,5,17,17,13,19,7,23,1,17,11,1,17,17 %N A233008 p mod 24, where p is such that 2^p - 1 is prime (see Mersenne primes, A000043). %H A233008 Chris K. Caldwell, <a href="http://www.utm.edu/research/primes/mersenne/index.html">Mersenne Primes</a>. %H A233008 Chris K. Caldwell, <a href="http://www.utm.edu/research/primes/largest.html#largest">Recent Mersenne primes</a>. %H A233008 Walter Wegscheider, <a href="http://www.austromath.at/mersenne/mersenne-primzahlen.html">Liste der Mersenne-Primzahlen</a>, Pädagogische Hochschule für Niederösterreich (in German). %F A233008 a(n) = A000043(n) mod 24. %t A233008 Mod[#, 24] &@ MersennePrimeExponent@ Range@ 45 (* _Michael De Vlieger_, Jul 22 2018 *) %Y A233008 Cf. A000043, A000668, A124477, A126043-A126059, A233009. %K A233008 nonn,more %O A233008 1,1 %A A233008 _Freimut Marschner_, Dec 03 2013 %E A233008 a(46)-a(47) corrected and a(48) removed by _Gord Palameta_, Jul 21 2018 %E A233008 a(48) from _Amiram Eldar_, Oct 15 2024