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A126889 a(n) = the number of divisors of A126888(n). 4
1, 2, 2, 6, 2, 2, 6, 2, 2, 6, 2, 4, 4, 2, 2, 3, 4, 2, 4, 2, 2, 4, 2, 6, 6, 2, 4, 4, 2, 2, 4, 4, 2, 6, 2, 2, 8, 4, 2, 3, 2, 16, 6, 2, 4, 4, 6, 2, 8, 2, 2, 4, 2, 2, 4, 2, 8, 4, 4, 6, 4, 4, 2, 4, 2, 4, 6, 2, 2, 6, 4, 4, 4, 2, 2, 4, 4, 2, 4, 4, 2, 4, 2, 4, 4, 2, 6, 4, 2, 2, 4, 4, 11, 4, 2, 2, 4, 2, 2, 4, 4, 4, 4, 4, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Is a(n) well-defined? Does every positive integer n equal floor(m/d(m)) for some m?
LINKS
MATHEMATICA
f[n_] := Block[{k = 1, d}, While[d = Length[Divisors[k]]; Floor[k/d] != n, k++ ]; d]; Table[f[n], {n, 105}] (* Ray Chandler, Jan 04 2007 *)
CROSSREFS
Cf. A126888.
Sequence in context: A046110 A296091 A352892 * A205030 A278250 A357441
KEYWORD
nonn
AUTHOR
Leroy Quet, Dec 30 2006
EXTENSIONS
Extended by Ray Chandler, Jan 04 2007
STATUS
approved

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Last modified February 26 19:43 EST 2024. Contains 370352 sequences. (Running on oeis4.)