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A237694 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal 7
256, 1120, 1120, 5038, 6964, 5038, 23838, 44648, 44648, 23838, 115028, 305054, 408824, 305054, 115028, 567446, 2123660, 4021892, 4021892, 2123660, 567446, 2840760, 15253914, 40288632, 57342898, 40288632, 15253914, 2840760, 14437142 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......256........1120..........5038..........23838..........115028

......1120........6964.........44648.........305054.........2123660

......5038.......44648........408824........4021892........40288632

.....23838......305054.......4021892.......57342898.......832743124

....115028.....2123660......40288632......832743124.....17532208572

....567446....15253914.....418287818....12585917094....385376900438

...2840760...111492872....4418514021...194171070966...8672245375519

..14437142...834134686...47970957966..3092262164912.202110825015400

..74266834..6338273516..529234228994.50231979219254

.386657722.49073750056.5972920589738

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 34]

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A206198 A237218 A237212 * A237688 A237299 A237293

Adjacent sequences:  A237691 A237692 A237693 * A237695 A237696 A237697

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 11 2014

STATUS

approved

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Last modified July 14 19:48 EDT 2020. Contains 335729 sequences. (Running on oeis4.)