OFFSET
1,2
MATHEMATICA
seqA=Table[Floor[7n/5], {n, 1, 220}] (* A047381 *)
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]] (* A187345 *)
Complement[Range[Length[seqA]], limseqU] (* A187346 *)
(*by Peter J. C. Moses, Mar 07 2011*)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Mar 08 2011
STATUS
approved