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A187840 Complement of A187839. 3
2, 5, 6, 10, 11, 13, 16, 18, 20, 23, 25, 27, 29, 32, 34, 36, 39, 40, 43, 45, 48, 49, 53, 54, 57, 59, 61, 64, 66, 67, 70, 72, 75, 77, 79, 81, 84, 87, 88, 91, 93, 95, 97, 100, 102, 105, 106, 109, 110, 113, 115, 118, 120, 122, 125, 127, 129, 131, 133, 136, 138, 141, 143, 145, 148, 149, 152, 154, 157, 158, 161, 163, 165, 168, 170 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A187224.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

r=2^(1/2);

seqA = Table[Floor[r*n-1/2], {n, 1, 220}]

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]] (* A187839 *)

Complement[Range[Length[seqA]], limseqU]  (* A187840 *)

(* Peter J. C. Moses, Mar 13 2011 *)

CROSSREFS

Cf. A187224, A187839.

Sequence in context: A013647 A255068 A183987 * A187904 A179543 A077471

Adjacent sequences:  A187837 A187838 A187839 * A187841 A187842 A187843

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 13 2011

STATUS

approved

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Last modified September 22 03:20 EDT 2021. Contains 347605 sequences. (Running on oeis4.)