This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A253998 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I

%S 914112,11055001,175815629,2421183428,36681094867,592324411676,

%T 9417047685594,148847562004630,2395493172677595,38596482561113559,

%U 620344636127699782,9996056173802222627,161265688229200688374

%N Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 6 of A253993

%H R. H. Hardin, <a href="/A253998/b253998.txt">Table of n, a(n) for n = 1..58</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 21 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.

Last modified May 24 14:49 EDT 2019. Contains 323532 sequences. (Running on oeis4.)