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A237703 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 8
81, 310, 310, 1186, 1524, 1186, 4700, 7562, 7562, 4700, 18612, 39236, 49152, 39236, 18612, 73176, 201754, 333508, 333508, 201754, 73176, 287924, 1033140, 2234136, 3004030, 2234136, 1033140, 287924, 1136084, 5302002, 14991412, 26578184 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......81.......310........1186..........4700..........18612...........73176

......310......1524........7562.........39236.........201754.........1033140

.....1186......7562.......49152........333508........2234136........14991412

.....4700.....39236......333508.......3004030.......26578184.......236841050

....18612....201754.....2234136......26578184......308509816......3627304236

....73176...1033140....14991412.....236841050.....3627304236.....56673321434

...287924...5302002...100790676....2109752772....42553713552....881109625356

..1136084..27377802...681668756...18967505282...505071086000..13907965601602

..4482952.140907656..4585208960..169027123272..5922294787728.216097927856396

.17653056.723464076.30833533736.1509396722124.69775606782180

LINKS

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

EXAMPLE

Some solutions for n=3 k=4

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

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

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

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

CROSSREFS

Sequence in context: A237463 A237456 A183994 * A237696 A237557 A237550

Adjacent sequences:  A237700 A237701 A237702 * A237704 A237705 A237706

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 11 2014

STATUS

approved

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Last modified January 28 04:30 EST 2022. Contains 350654 sequences. (Running on oeis4.)