This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A109150 Numbers n such that the continued fraction sequence of sqrt(n) is not multiplicative. 0

%I

%S 2,5,6,10,11,12,17,18,19,20,21,26,27,28,29,30,31,37,38,39,40,41,42,43,

%T 45,46,50,51,52,53,54,55,56,57,61,65,66,67,68,69,70,71,72,73,76,77,82,

%U 83,84,85,86,87,88,89,90,91,92,93,94,97,101,102,103,104,105,106,107

%N Numbers n such that the continued fraction sequence of sqrt(n) is not multiplicative.

%e The continued fraction of sqrt(21) is (4; 1, 1, 2, 1, 1, 8, ...), which is not multiplicative since a(2) = 1, a(3) = 2, but a(6) = 8.

%Y Complement of A109054.

%K nonn,easy

%O 1,1

%A _Mitch Harris_, Jun 20 2005

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 June 20 02:04 EDT 2013. Contains 226416 sequences.