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

256, 3184, 3184, 39626, 100832, 39626, 494612, 3197642, 3197642, 494612, 6174310, 101879560, 258642018, 101879560, 6174310, 77042610, 3244327356, 21040871248, 21040871248, 3244327356, 77042610, 961334649, 103269513130, 1710006902480

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