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!)
A185855 Number of (n+1)X9 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum 0

%I #4 Mar 31 2012 12:36:04

%S 145808838,475728999902,1594644874059338,5314583162402080764,

%T 17779987852107633361760

%N Number of (n+1)X9 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

%C Column 8 of A185856

%e Some solutions for 3X9

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 05 2011

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 April 25 05:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)