A111025 Number of cubes between 10n and 10n+9 (inclusive).

3, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0

Offset

0,1

Links

Table of n, a(n) for n=0..104.

Example

a(0) = 3 since between 0 and 9 there are 3 cubes {0,1,8}.

Mathematica

f3[n_] := If[n < 0, 0, Floor[n^(1/3)] + 1]; Table[f3[10n + 9] - f3[10n - 1], {n, 0, 120}] (* Ray Chandler, Oct 07 2005 *)

Crossrefs

Cf. A110916, A111037.

Sequence in context: A319330 A291204 A331414 * A271620 A098018 A260073

Adjacent sequences: A111022 A111023 A111024 * A111026 A111027 A111028

Keyword

nonn

Author

Giovanni Teofilatto, Oct 05 2005

Extensions

Corrected and extended by Ray Chandler, Oct 07 2005

Status

approved