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A237785 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 differing from its horizontal and vertical neighbors by exactly one 6
256, 1764, 1764, 12328, 20522, 12328, 86736, 240288, 240288, 86736, 610052, 2839146, 4723728, 2839146, 610052, 4293744, 33540636, 93725888, 93725888, 33540636, 4293744, 30217760, 396698708, 1860456346, 3131569162, 1860456346 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.........256.........1764..........12328...........86736..........610052

........1764........20522.........240288.........2839146........33540636

.......12328.......240288........4723728........93725888......1860456346

.......86736......2839146.......93725888......3131569162....104657092608

......610052.....33540636.....1860456346....104657092608...5892307755478

.....4293744....396698708....36979544756...3504178922346.332370978204052

....30217760...4688253896...734099743522.117069717739712

...212542304..55379334708.14562769631776

..1495366768.654580668296

.10525153280

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 32] for n>35

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A237489 A238054 A238049 * A237780 A237904 A237899

Adjacent sequences:  A237782 A237783 A237784 * A237786 A237787 A237788

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Feb 13 2014

STATUS

approved

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Last modified August 8 17:40 EDT 2022. Contains 356016 sequences. (Running on oeis4.)