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A237898 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock equal 8
256, 1848, 1848, 13600, 32404, 13600, 103536, 563534, 563534, 103536, 789664, 10390072, 21793104, 10390072, 789664, 6082368, 192679586, 925593210, 925593210, 192679586, 6082368, 46779520, 3656111168, 39591208852, 96197188500 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

......256........1848..........13600.............103536................789664

.....1848.......32404.........563534...........10390072.............192679586

....13600......563534.......21793104..........925593210...........39591208852

...103536....10390072......925593210........96197188500........10123093733560

...789664...192679586....39591208852.....10123093733560......2609219234341504

..6082368..3656111168..1751486936860...1119144506661036....711963930145555688

.46779520.69880910510.78473090681640.125774053477877970.196763957644331216116

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..112

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 19]

k=2: [order 47]

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A238140 A238298 A238293 * A237891 A237158 A237151

Adjacent sequences:  A237895 A237896 A237897 * A237899 A237900 A237901

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 15 2014

STATUS

approved

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Last modified December 2 05:01 EST 2021. Contains 349437 sequences. (Running on oeis4.)