login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A224632 Number of (n+5)X9 0..2 matrices with each 6X6 subblock idempotent 0

%I

%S 338635,187090,225179,245916,256100,261192,264100,326973,430055,

%T 553586,686661,824129,963797,1165618,1469816,1896847,2456254,3152394,

%U 3987498,5023727,6363433,8129436,10454151

%N Number of (n+5)X9 0..2 matrices with each 6X6 subblock idempotent

%C Column 4 of A224636

%e Some solutions for n=2

%e ..0..1..0..0..0..0..0..2..0....1..0..0..0..0..0..1..0..0

%e ..0..1..0..0..0..0..0..1..0....1..0..0..0..0..0..2..0..0

%e ..0..1..0..0..0..0..0..0..0....1..0..0..0..0..0..1..0..0

%e ..0..1..0..0..0..0..0..2..0....0..0..0..0..0..0..1..0..0

%e ..0..0..0..0..0..0..0..1..0....2..0..0..0..0..0..1..0..0

%e ..0..1..0..0..0..0..0..1..0....2..0..0..0..0..0..1..0..0

%e ..0..1..0..0..0..0..0..1..0....1..0..0..0..0..0..1..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 12 2013

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 28 22:08 EDT 2022. Contains 354122 sequences. (Running on oeis4.)