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A247194
a(n) = ceiling(Pi*n^3).
0
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
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
KEYWORD
nonn,easy
AUTHOR
Kaylan Purisima, Nov 24 2014
STATUS
approved