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A237090 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal 8
256, 912, 912, 3274, 3968, 3274, 12590, 17636, 17636, 12590, 48864, 84918, 96104, 84918, 48864, 194812, 412158, 578486, 578486, 412158, 194812, 782024, 2074898, 3497586, 4428988, 3497586, 2074898, 782024, 3181960, 10501584, 22239606 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

......256........912........3274.........12590..........48864..........194812

......912.......3968.......17636.........84918.........412158.........2074898

.....3274......17636.......96104........578486........3497586........22239606

....12590......84918......578486.......4428988.......33954418.......276471206

....48864.....412158.....3497586......33954418......329386610......3424504396

...194812....2074898....22239606.....276471206.....3424504396.....45670475702

...782024...10501584...141915177....2256243854....35657488703....609352466155

..3181960...54426654...938113698...19251013930...391169928184...8607861479546

.13011114..283246634..6226900258..165074810168..4318045934033.122517160329006

.53658914.1501153826.42501875752.1468740268436.49828393684132

LINKS

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

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 39]

EXAMPLE

Some solutions for n=3 k=4

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

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

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

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

CROSSREFS

Sequence in context: A236987 A236980 A224975 * A224968 A237083 A220764

Adjacent sequences:  A237087 A237088 A237089 * A237091 A237092 A237093

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified September 29 07:42 EDT 2022. Contains 357090 sequences. (Running on oeis4.)