login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A062268 Floor(n*e) is a square. 1
0, 6, 30, 37, 53, 83, 133, 212, 230, 249, 377, 451, 477, 649, 745, 813, 920, 957, 995, 1073, 1113, 1154, 1369, 1507, 2125, 2296, 2414, 2596, 2658, 2721, 2849, 2914, 2980, 3114, 3182, 3679, 3753, 3903, 3979, 4056, 4212, 4291, 4371, 4533, 4615, 4781 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

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

EXAMPLE

floor(exp(1)*37) = 100 = 10^2.

PROG

(PARI) for(n=0, 1200, if(issquare(floor(exp(1)*n)), print(n)))

(PARI) { default(realprecision, 30); e=exp(1); n=-1; for (m=0, 10^9, if (issquare(floor(e*m)), write("b062268.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 03 2009]

CROSSREFS

Sequence in context: A188062 A056153 A062515 * A067879 A136375 A138706

Adjacent sequences:  A062265 A062266 A062267 * A062269 A062270 A062271

KEYWORD

easy,nonn

AUTHOR

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

EXTENSIONS

More terms from John W. Layman (layman(AT)math.vt.edu), Oct 16 2001

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 11:15 EST 2012. Contains 206010 sequences.