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A237108 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock equal 9
81, 385, 385, 1881, 3787, 1881, 9491, 39235, 39235, 9491, 48569, 435113, 848549, 435113, 48569, 252415, 4975145, 20079181, 20079181, 4975145, 252415, 1324297, 58074637, 485177201, 1032827165, 485177201, 58074637, 1324297, 7013479 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......81.........385............1881...............9491.................48569

......385........3787...........39235.............435113...............4975145

.....1881.......39235..........848549...........20079181.............485177201

.....9491......435113........20079181.........1032827165...........53528626069

....48569.....4975145.......485177201........53528626069.........5870133564899

...252415....58074637.....11899510847......2808787399965.......651822582383487

..1324297...685334343....293281801479....147635666660707.....72365031298763069

..7013479..8138935643...7246691140947...7771739485974973...8045311769065304851

.37376009.96985032775.179233623871063.409254548407433443.894539155590606377951

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..180

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 11]

k=2: [order 23]

k=3: [order 54]

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A236035 A236028 A233157 * A237101 A236618 A236611

Adjacent sequences:  A237105 A237106 A237107 * A237109 A237110 A237111

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified June 17 17:07 EDT 2019. Contains 324196 sequences. (Running on oeis4.)