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!)
A254488 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I

%S 660480,21822912,656964096,20365586688,615887502592,18731454463744,

%T 565727609862912,17046219218717440,513733060035181312,

%U 15493153946987141888,466551500635799010048,14062803876457224444672

%N Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 5 of A254491

%H R. H. Hardin, <a href="/A254488/b254488.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 31 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 February 2 16:53 EST 2023. Contains 360023 sequences. (Running on oeis4.)