A237108 - OEIS

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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

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