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 A054071 #4 Mar 30 2012 18:57:01
%S A054071 1,1,2,2,3,3,3,4,4,5,5,5,6,6,7,7,8,8,8,9,9,10,10,10,11,11,12,12,13,13,
%T A054071 13,14,14,15,15,15,16,16,17,17,17,18,18,19,19,20,20,20,21,21,22,22,22,
%U A054071 23,23,24,24,25,25,25,26,26,27,27,27,28,28
%N A054071 Position of 1 in the permutation of 1,2,...,n obtained by ordering the fractional parts {h*sqrt(2)} for h=1,2,...,n.
%K A054071 nonn
%O A054071 1,3
%A A054071 _Clark Kimberling_