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Search: id:A061812
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A061812 Floor(Pi*n) is a square. +0
1
0, 3, 8, 26, 32, 46, 54, 92, 115, 199, 268, 306, 326, 368, 390, 436, 796, 828, 861, 963, 1071, 1146, 1304, 1345, 1429, 1472, 1560, 2193, 2246, 2300, 2465, 2636, 2873, 2995, 3120, 3312, 3377, 3443, 3713, 3782, 3922, 3993, 4137, 4738, 4816, 5297, 6062, 6239 (list; graph; listen)
OFFSET

0,2

LINKS

Harry J. Smith, Table of n, a(n) for n=0,...,1000

EXAMPLE

Floor(Pi*861)=2704 which is 52^2. Floor(Pi*1146)=3600=60^2.

PROGRAM

(PARI) for(n=0, 1200, if(issquare(floor(Pi*n)), print(n)))

(PARI) { n=-1; for (a=0, 3714376, if (issquare(floor(Pi*a)), write("b061812.txt", n++, " ", a)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 28 2009]

CROSSREFS

Sequence in context: A097713 A009392 A130648 this_sequence A009452 A148801 A131910

Adjacent sequences: A061809 A061810 A061811 this_sequence A061813 A061814 A061815

KEYWORD

easy,nice,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jul 01 2001

EXTENSIONS

More terms from Naohiro Nomoto (n_nomoto(AT)yabumi.com), Oct 04 2001

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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