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A176581 n^3+Smallest square, (Smallest square >= n^3). 5
0, 2, 17, 63, 128, 269, 441, 704, 1041, 1458, 2024, 2700, 3492, 4406, 5553, 6856, 8192, 9954, 11761, 13748, 16100, 18670, 21464, 24488, 27748, 31250, 35265, 39564, 44153, 49038, 54225, 59720, 65892, 72037, 78905, 86139, 93312, 101729, 110097, 118855 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

2^3+9=17,3^3+36=63,..

LINKS

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

MATHEMATICA

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

CROSSREFS

Cf. A065733, A077116, A176580

Sequence in context: A191295 A002430 A160469 * A037420 A034721 A281708

Adjacent sequences:  A176578 A176579 A176580 * A176582 A176583 A176584

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Apr 21 2010

STATUS

approved

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Last modified February 25 04:05 EST 2018. Contains 299630 sequences. (Running on oeis4.)