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 A115835 #18 May 05 2025 03:00:15
%S A115835 0,2,3,5,689,2015,2783,3592,3919,3941,5156,5902,6063,8054,15683,16310,
%T A115835 28239,29901,40328,55221,60246,74982,98883,129023,312400,328667,
%U A115835 351586,815526,911097,1018921,1054125
%N A115835 Square root of pi(A064523(n)).
%t A115835 Sqrt@PrimePi[{ (* list of entries in A064523 *) }^2] (* _Robert G. Wilson v_, Feb 03 2006 *)
%Y A115835 Cf. A000720, A064517, A064523.
%K A115835 nonn,more
%O A115835 1,2
%A A115835 _Zak Seidov_, Feb 01 2006
%E A115835 a(20) from _Robert G. Wilson v_, Feb 03 2006
%E A115835 Added missing terms 28239, 29901, 40328 and a(24)-a(27) from _Donovan Johnson_, May 30 2010
%E A115835 a(28)-a(31) from _Chai Wah Wu_, Aug 27 2019