OFFSET
0,2
LINKS
Harry J. Smith, Table of n, a(n) for n = 0..1000
FORMULA
a(n) = floor(Pi*n^2).
a(n) = A022844(n^2) . - R. J. Mathar, Jan 25 2023
MATHEMATICA
Table[ Floor[Pi*n^2], {n, 1, 50} ]
PROG
(PARI) { for (n=1, 1000, write("b066643.txt", n, " ", floor(Pi*n^2)) ) } \\ Harry J. Smith, Mar 15 2010
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Amarnath Murthy, Dec 29 2001
EXTENSIONS
Corrected and extended by Robert G. Wilson v, Jan 03 2002
STATUS
approved