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A184791 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock singular 5
6891, 100941, 100941, 1451439, 3637117, 1451439, 19143309, 125979493, 125979493, 19143309, 264517911, 3680493357, 10547404447, 3680493357, 264517911, 3635551053, 120704703909, 680930052757, 680930052757, 120704703909 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.........6891..........100941..........1451439..........19143309

.......100941.........3637117........125979493........3680493357

......1451439.......125979493......10547404447......680930052757

.....19143309......3680493357.....680930052757....69241919671789

....264517911....120704703909...54363498790639.10528776249588829

...3635551053...3913579500845.4325955651178757

..49631761863.125215483941877

.680594596269

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..40

EXAMPLE

Some solutions for 5X4

..0..0..0..0....1..0..0..0....0..0..0..0....0..0..0..0....1..0..0..0

..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0

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

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

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

CROSSREFS

Sequence in context: A018848 A031581 A031761 * A184787 A233180 A233262

Adjacent sequences:  A184788 A184789 A184790 * A184792 A184793 A184794

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 22 2011

STATUS

approved

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Last modified October 24 05:38 EDT 2021. Contains 348217 sequences. (Running on oeis4.)