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!)
A258609 Number of (n+2)X(5+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum 1

%I #4 Jun 05 2015 10:08:50

%S 46060932,90782784,65662350,42003361,49848864,80442961,140873790,

%T 244766025,423931910,720707716,1218994536,2017986084,3322104840,

%U 5349167044,8565371976,13422381025,20921322092,31951562500,48551199120

%N Number of (n+2)X(5+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum

%C Column 5 of A258612

%H R. H. Hardin, <a href="/A258609/b258609.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A258612

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 05 2015

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 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)