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 A187228 #13 Jan 29 2016 11:12:47
%S A187228 1,2,4,6,7,8,10,11,12,14,16,18,19,20,22,24,25,27,28,30,31,32,34,35,36,
%T A187228 38,40,42,43,44,46,47,48,50,52,53,54,56,58,59,60,62,64,66,67,68,70,72,
%U A187228 73,75,76,78,79,80,82,83,84,86,88,90,91,92,94,96,97,99,100,102,103,104,106,108,109,111,112,114,115,116,118,120,121,123,124,126,127,128,130,131,132,134,136,138,139,140,142,143,144,146,148,149,150
%N A187228 Rank transform of the sequence floor(3n/4); complement of A187229.
%C A187228 See A187224.
%t A187228 seqA=Table[Floor[3n/4],{n,1,220}] (*A057353*)
%t A187228 seqB=Table[n,{n,1,220}];(*A000027*)
%t A187228 jointRank[{seqA_,seqB_}]:={Flatten@Position[#1,{_,1}],Flatten@Position[#1,{_,2}]}&[Sort@Flatten[{{#1,1}&/@seqA,{#1,2}&/@seqB},1]];
%t A187228 limseqU=FixedPoint[jointRank[{seqA,#1[[1]]}]&,jointRank[{seqA,seqB}]][[1]] (*A187228*)
%t A187228 Complement[Range[Length[seqA]],limseqU] (*A187229*)
%t A187228 (*by _Peter J. C. Moses_, Mar 07 2011*)
%Y A187228 Cf. A187224, A187229.
%K A187228 nonn
%O A187228 1,2
%A A187228 _Clark Kimberling_, Mar 07 2011