OFFSET
1,1
COMMENTS
We know the sequence is well-defined given the limit x/d(x) > 0.5*sqrt(x) from comments in A036763.
Does every positive integer n equal floor(m/d(m)) for some m?
First occurrence of k>2: 4, 2, 1, 7,5 , 11, 3, 23, 8, 28, 68, 54, 40, 16, 251, 572, 141, ???, ???, ???, 529, ..., (630). - Robert G. Wilson v, Jan 11 2007
LINKS
D. W. Wilson, Table of n, a(n) for n = 1..10000
MATHEMATICA
t = Table[Floor[n/DivisorSigma[0, n]], {n, 10^5}]; f[n_] := Length@Select[t, # == n &]; Array[f, 91] (* Robert G. Wilson v, Jan 11 2007 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Hugo van der Sanden, Jan 09 2007
EXTENSIONS
Edited by Robert G. Wilson v, Jan 11 2007
STATUS
approved