login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A289812 n for which a Factor Pair Latin Square of order n exists. 0

%I

%S 1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,21,22,23,25,26,27,29,31,

%T 32

%N n for which a Factor Pair Latin Square of order n exists.

%C This sequences differs from A206551 because no Factor Pair Latin Square of order 45 exists.

%C It is known that every prime power (A000961) as well as twice every prime number (A100484) appears in this sequence.

%H James Hammer, <a href="https://etd.auburn.edu/handle/10415/4555">Factor Pair Latin Squares</a>, Dissertation, Auburn University, 2015.

%Y Cf. A000961, A100484, A206551.

%K nonn,hard,more

%O 1,2

%A _Jordan Lenchitz_, _Leah S. Miller_, _Makkah Davis_, _Bob Kuo_, _Boyang Su_, _James Hammer_, Jul 12 2017

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 13:26 EDT 2021. Contains 343135 sequences. (Running on oeis4.)