A077107 Least integer cube >= n^2.

0, 1, 8, 27, 27, 27, 64, 64, 64, 125, 125, 125, 216, 216, 216, 343, 343, 343, 343, 512, 512, 512, 512, 729, 729, 729, 729, 729, 1000, 1000, 1000, 1000, 1331, 1331, 1331, 1331, 1331, 1728, 1728, 1728, 1728, 1728, 2197, 2197, 2197, 2197, 2197, 2744

Offset

0,3

Comments

a(n) - A070923(n) = n^2.

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Example

a(20)=512, as 512=8^3 is the least cube >= 400=20^2.

Mathematica

Table[Ceiling[Surd[n^2, 3]]^3, {n, 0, 50}] (* Harvey P. Dale, Jan 02 2020 *)

Crossrefs

Cf. A000578, A000290, A077106, A077115, A077110.

Sequence in context: A070500 A100499 A070499 * A335018 A070498 A364875

Adjacent sequences: A077104 A077105 A077106 * A077108 A077109 A077110

Keyword

nonn

Author

Reinhard Zumkeller, Oct 29 2002

Status

approved