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!)
A253796 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically 1

%I

%S 14096,162604,1876256,19600428,185592928,1701188284,15314952024,

%T 136258761632,1207300659164,10678400982604,94365396096260,

%U 833619474074884,7363084218851820,65031237291207664,574344107298453072

%N Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically

%C Column 3 of A253801

%H R. H. Hardin, <a href="/A253796/b253796.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 13 2015

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 September 19 21:42 EDT 2020. Contains 337184 sequences. (Running on oeis4.)