A247194 a(n) = ceiling(Pi*n^3).

0, 4, 26, 85, 202, 393, 679, 1078, 1609, 2291, 3142, 4182, 5429, 6903, 8621, 10603, 12868, 15435, 18322, 21549, 25133, 29095, 33452, 38224, 43430, 49088, 55217, 61836, 68965, 76621, 84824, 93592, 102944, 112900, 123478, 134696, 146575, 159132, 172386, 186357, 201062, 216522, 232755

Offset

0,2

Links

Table of n, a(n) for n=0..42.

Formula

a(n) = A121381(n^3). - R. J. Mathar, Nov 27 2014

Mathematica

Ceiling[Pi*Range[0, 50]^3] (* Harvey P. Dale, May 22 2016 *)

Prog

(PARI) vector(100, n, ceil(Pi*(n-1)^3)) \\ Derek Orr, Nov 26 2014

Crossrefs

Sequence in context: A283573 A200058 A142962 * A102198 A100207 A172123

Adjacent sequences: A247191 A247192 A247193 * A247195 A247196 A247197

Keyword

nonn,easy

Author

Kaylan Purisima, Nov 24 2014

Status

approved