OFFSET
0,2
COMMENTS
Surface area of a sphere of radius n, rounded to the nearest integer.
LINKS
Robert Israel, Table of n, a(n) for n = 0..10000
MAPLE
a:=n->4*Pi*n^2: seq(round(a(n)), n=0..45); # Muniru A Asiru, Dec 20 2018
PROG
(PARI) a(n) = round(4*Pi*n^2)
CROSSREFS
KEYWORD
nonn
AUTHOR
Felix Fröhlich, Dec 20 2018
STATUS
approved