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A236133 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock 4
256, 3184, 3184, 39626, 100832, 39626, 494612, 3197642, 3197642, 494612, 6174310, 101879560, 258642018, 101879560, 6174310, 77042610, 3244327356, 21040871248, 21040871248, 3244327356, 77042610, 961334649, 103269513130, 1710006902480 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......256.........3184.........39626........494612.......6174310

......3184.......100832.......3197642.....101879560....3244327356

.....39626......3197642.....258642018...21040871248.1710006902480

....494612....101879560...21040871248.4377127952022

...6174310...3244327356.1710006902480

..77042610.103269513130

.961334649

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 50]

EXAMPLE

Some solutions for n=2 k=4

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

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

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

CROSSREFS

Sequence in context: A236123 A236120 A205037 * A205033 A236130 A236254

Adjacent sequences:  A236130 A236131 A236132 * A236134 A236135 A236136

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Jan 19 2014

STATUS

approved

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Last modified October 21 14:42 EDT 2021. Contains 348155 sequences. (Running on oeis4.)