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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A085328 Record values in A085068. 3

%I

%S 1,3,9,15,17,18,24,27,28,30,40,41,44,47,48,50

%N Record values in A085068.

%H J. C. Lagarias and N. J. A. Sloane, Approximate squaring (<a href="http://neilsloane.com/doc/apsq.pdf">pdf</a>, <a href="http://neilsloane.com/doc/apsq.ps">ps</a>), Experimental Math., 13 (2004), 113-128.

%t f[n_] := Block[{c = 1, k = 4 n/3}, While[ ! IntegerQ@k, c++; k = 4 Ceiling@k/3]; c]; t = Table[0, {1000}]; Do[ a = f@n; If[a < 101 && t[[a]] == 0, t[[a]] = n; Print[{a, n}]], {n, 0, 21*10^8}] (* Robert G. Wilson v *)

%Y Cf. A085068, A085071, A085330.

%K nonn,more

%O 1,2

%A _N. J. A. Sloane_, Aug 13 2003

%E More terms from Jason Earls (zevi_35711(AT)yahoo.com), Aug 14 2003

%E a(12)-a(16) from _Robert G. Wilson v_, May 28 2007

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 May 26 21:57 EDT 2013. Contains 225677 sequences.