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 A081385 #13 Feb 16 2022 11:14:39 %S A081385 1,2,3,4,5,6,7,8,9,10,16,17,18,19,20,26,27,28,29,30,36,37,38,39,40,46, %T A081385 47,48,49,50,51,52,53,54,56,57,58,59,60,61,62,63,64,65 %N A081385 Incorrect version of A006254 (or A111333). %C A081385 Name was: Numbers just more than half-prime. %D A081385 M. J. Halm, More Sequences, Mpossibilities 83, 2003. %H A081385 M. J. Halm, <a href="http://untilheaven.tripod.com/id112.htm">Sequences</a> %F A081385 a(n) = [p(n)/2 + 1/2]. %e A081385 a(11) = 16 because [(31)/2 + 1/2]=16. %o A081385 (PARI) a(n) = ceil(prime(n)/2); \\ _Michel Marcus_, Aug 13 2013 %Y A081385 Cf. A000040. %K A081385 dead %O A081385 1,2 %A A081385 _Michael Joseph Halm_, Apr 20 2003