OFFSET
1,2
COMMENTS
See A187224.
MATHEMATICA
seqA = Table[Floor[n*3^(1/3)], {n, 1, 220}] (*A059539*)
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]] (*A187574*)
Complement[Range[Length[seqA]], limseqU] (*A187575*)
(* Peter J. C. Moses, Mar 11 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Mar 11 2011
STATUS
approved