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A185638 Number of (n+1)X3 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 1
404, 5068, 56558, 678268, 8069858, 96721922, 1158080514, 13877927240, 166291456824, 1992796227622, 23880775897200, 286180659773378, 3429500713226098, 41098227703695822, 492510011724491808 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A185640

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 5X3

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

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

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

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

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

CROSSREFS

Sequence in context: A135791 A187382 A306308 * A332140 A198536 A337047

Adjacent sequences:  A185635 A185636 A185637 * A185639 A185640 A185641

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 2011

STATUS

approved

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Last modified July 26 13:40 EDT 2021. Contains 346294 sequences. (Running on oeis4.)