The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A254549 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I

%S 47140,111443,388056,1193965,3450189,9912158,27729322,76395530,

%T 209879361,578181034,1602832753,4455603121,12441771494,34759502130,

%U 97208699643,271806597833,760315608690,2126343337001,5948937423681,16642500007263

%N Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 4 of A254553

%H R. H. Hardin, <a href="/A254549/b254549.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 01 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.

Last modified March 21 16:00 EDT 2023. Contains 361408 sequences. (Running on oeis4.)