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 A282498 #36 Mar 29 2018 21:48:59
%S A282498 6,9,16,22,35,41,53,60,72,91,97,116,129,135,148,167,185,192,210,223,
%T A282498 229,248,261,280,305,317,324,336,342,355,399,412,430,437,468,474,493,
%U A282498 512,525,543,562,569,600,606,619,625,663,701,713,719,732,751,757,789,807
%N A282498 a(n) = nearest integer to Pi*prime(n).
%e A282498 a(13) = nearest integer to Pi*prime(13) = the nearest integer to (Pi*41) = 128.805298... = 129, so a(13) = 129.
%t A282498 Table[Round[Pi Prime@ n], {n, 55}] (* _Michael De Vlieger_, Feb 20 2017 *)
%o A282498 (PARI) a(n) = round(Pi*prime(n)); \\ _Michel Marcus_, Feb 20 2017
%Y A282498 Cf. A000796.
%Y A282498 Subsequence of A022853.
%K A282498 nonn
%O A282498 1,1
%A A282498 _Ahmad J. Masad_, Feb 20 2017