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A232677 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, vertically, diagonally or antidiagonally 9
36, 212, 212, 1568, 3138, 1568, 11878, 63632, 63632, 11878, 87680, 1323984, 3684840, 1323984, 87680, 651678, 26350948, 223396744, 223396744, 26350948, 651678, 4846056, 532378308, 12890094328, 39425246602, 12890094328, 532378308, 4846056 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

......36.........212...........1568..............11878.................87680

.....212........3138..........63632............1323984..............26350948

....1568.......63632........3684840..........223396744...........12890094328

...11878.....1323984......223396744........39425246602.........6593726545958

...87680....26350948....12890094328......6593726545958......3186295643132436

..651678...532378308...754650484792...1120549772696776...1566033207755153544

.4846056.10773984656.44225213151124.190677413113742328.770628641578865476150

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..97

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 8]

k=2: [order 25]

k=3: [order 53]

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A304378 A120465 A144523 * A232670 A230470 A066610

Adjacent sequences:  A232674 A232675 A232676 * A232678 A232679 A232680

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Nov 27 2013

STATUS

approved

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Last modified July 16 11:09 EDT 2020. Contains 335784 sequences. (Running on oeis4.)