A176580 n^3+Largest square, (Largest square <= n^3).

0, 2, 12, 52, 128, 246, 412, 667, 996, 1458, 1961, 2627, 3409, 4313, 5448, 6739, 8192, 9813, 11608, 13583, 15921, 18477, 21257, 24267, 27513, 31250, 35000, 39283, 43856, 48725, 53896, 59375, 65529, 71658, 78508, 85724, 93312, 101278, 109628, 118368

Offset

1,2

Comments

2^3+4=12,3^3+25=52,..

Links

Table of n, a(n) for n=1..40.

Mathematica

r[n_]:=n^3; f[n_]:=r[n]+Floor[Sqrt[r[n]]]^2; Table[f[n], {n, 0, 5!}]

Crossrefs

Cf. A065733, A077116

Sequence in context: A216648 A043007 A300572 * A179259 A261474 A350653

Adjacent sequences: A176577 A176578 A176579 * A176581 A176582 A176583

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Apr 21 2010

Status

approved