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 A054847 #3 Mar 30 2012 18:51:25 %S A054847 0,1,3,3,5,5,5,8,8,8,11,11,11,15,15,15,15,19,19,19,19,23,23,23,23,27, %T A054847 27,27,27,27,32,32,32,32,32,36,36,36,36,42,42,42,42,42,42,47,47,47,47, %U A054847 47,52,52,52,52,52,52,58,58,58,58,58,58,64,64,64,64,64,64,70,70,70,70 %N A054847 Nearest integer to (nearest integer to n^(2/3))^(3/2). %F A054847 a(n)=A002821(A054846(n)) %Y A054847 Cf. A002821, A054846, A054848. %K A054847 easy,nonn %O A054847 0,3 %A A054847 _Henry Bottomley_, Apr 14 2000