A176583 n^2+Smallest cube, (Smallest cube >= n^2).

0, 2, 12, 36, 43, 52, 100, 113, 128, 206, 225, 246, 360, 385, 412, 568, 599, 632, 667, 873, 912, 953, 996, 1258, 1305, 1354, 1405, 1458, 1784, 1841, 1900, 1961, 2355, 2420, 2487, 2556, 2627, 3097, 3172, 3249, 3328, 3409, 3961, 4046, 4133, 4222, 4313, 4953

Offset

1,2

Comments

4+8=12, 9+27=36, 16+27=43,..

Links

Table of n, a(n) for n=1..48.

Mathematica

r[n_]:=n^2; f[n_]:=r[n]+Ceiling[r[n]^(1/3)]^3; Table[f[n], {n, 0, 5!}]
Table[n^2+Ceiling[Surd[n^2, 3]]^3, {n, 0, 50}] (* Harvey P. Dale, Jun 04 2016 *)

Crossrefs

Cf. A065733, A075847, A077116, A176580, A176581, A176582

Sequence in context: A363453 A246426 A353503 * A011379 A338610 A369175

Adjacent sequences: A176580 A176581 A176582 * A176584 A176585 A176586

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Apr 21 2010

Status

approved