A224806 T(n,k)=Number of (n+2)X(k+2) 0..3 matrices with each 3X3 subblock having the same population

262144, 1048576, 1048576, 4194304, 2867200, 4194304, 16777216, 8151040, 8151040, 16777216, 78118912, 25056256, 16844800, 25056256, 78118912, 363741184, 100235776, 39510016, 39510016, 100235776, 363741184, 1693669888, 417335296

Offset

1,1

Comments

Table starts

.....262144....1048576...4194304..16777216..78118912.363741184.1693669888

....1048576....2867200...8151040..25056256.100235776.417335296.1816453120

....4194304....8151040..16844800..39510016.132674560.486062080.1959843328

...16777216...25056256..39510016..70451200.188858368

...78118912..100235776.132674560.188858368

..363741184..417335296.486062080

.1693669888.1816453120

.8752522240

Links

R. H. Hardin, Table of n, a(n) for n = 1..39

Example

Some solutions for n=2 k=4
..0..0..0..2..0..0....0..0..3..0..0..3....0..0..1..2..0..2....0..0..2..0..3..2
..0..2..0..0..2..0....0..3..0..2..2..3....0..1..2..0..1..2....0..1..3..2..0..3
..2..1..1..0..1..1....2..2..3..0..3..0....2..0..2..0..0..1....2..3..0..0..1..0
..0..0..0..2..0..0....0..3..0..0..3..0....0..0..1..2..0..2....0..0..2..0..3..2

Crossrefs

Sequence in context: A057445 A069279 A068961 * A224803 A223336 A250868

Adjacent sequences: A224803 A224804 A224805 * A224807 A224808 A224809

Keyword

nonn,tabl

Author

R. H. Hardin Apr 18 2013

Status

approved