OFFSET
2,1
COMMENTS
For a guide to related sequences, see A001000. - Clark Kimberling, Aug 07 2012
LINKS
Clark Kimberling, Table of n, a(n) for n = 2..300
MATHEMATICA
leastSeparator[t_] := Module[{n = 1},
Table[While[Or @@ (Ceiling[n #1[[1]]] <
2 + Floor[n #1[[2]]] &) /@ (Sort[#1, Greater] &) /@
Partition[Take[t, k], 2, 1], n++]; n, {k, 2, Length[t]}]];
t = Flatten[{1/(2*Range[60])}]
leastSeparator[t]
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved