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A185640 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum 4
0, 404, 404, 854, 5068, 854, 10296, 56558, 56558, 10296, 37844, 678268, 1009472, 678268, 37844, 290174, 8069858, 25812774, 25812774, 8069858, 290174, 1362488, 96721922, 574149820, 1223338660, 574149820, 96721922, 1362488, 8774626 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

.......0......404.......854......10296.....37844......290174....1362488.8774626

.....404.....5068.....56558.....678268...8069858....96721922.1158080514

.....854....56558...1009472...25812774.574149820.13489115938

...10296...678268..25812774.1223338660

...37844..8069858.574149820

..290174.96721922

.1362488

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

EXAMPLE

Some solutions for 4X3

..3..2..3....3..3..3....1..0..2....2..2..3....1..2..1....2..1..1....0..1..2

..2..1..2....2..1..0....2..1..3....3..1..0....2..3..2....3..2..2....3..2..1

..2..3..3....0..1..2....2..1..2....0..1..3....2..2..0....2..3..2....1..2..3

..0..3..2....0..0..0....1..0..0....2..2..3....0..1..0....0..3..1....0..0..0

CROSSREFS

Sequence in context: A283662 A097741 A117836 * A185637 A234675 A135791

Adjacent sequences:  A185637 A185638 A185639 * A185641 A185642 A185643

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 01 2011

STATUS

approved

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Last modified August 9 03:35 EDT 2020. Contains 336319 sequences. (Running on oeis4.)