A187228 Rank transform of the sequence floor(3n/4); complement of A187229.

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, 38, 40, 42, 43, 44, 46, 47, 48, 50, 52, 53, 54, 56, 58, 59, 60, 62, 64, 66, 67, 68, 70, 72, 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

Offset: 1

Author

Clark Kimberling, Mar 07 2011

Keywords

• nonn

Comments

See A187224.

Crossrefs

Cf. A187224, A187229.

Programs

Mathematica

seqA=Table[Floor[3n/4],{n,1,220}] (*A057353*)
seqB=Table[n,{n,1,220}];(*A000027*)
jointRank[{seqA_,seqB_}]:={Flatten@Position[#1,{,1}],Flatten@Position[#1,{,2}]}&[Sort@Flatten[{{#1,1}&/@seqA,{#1,2}&/@seqB},1]];
limseqU=FixedPoint[jointRank[{seqA,#1[[1]]}]&,jointRank[{seqA,seqB}]][[1]] (*A187228*)
Complement[Range[Length[seqA]],limseqU] (*A187229*)
(*by Peter J. C. Moses, Mar 07 2011*)