A210174 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order

1, 10, 10, 101, 201, 101, 910, 3283, 3283, 910, 7545, 48577, 89293, 48577, 7545, 59178, 679253, 2266901, 2266901, 679253, 59178, 447429, 9173091, 55406625, 101095392, 55406625, 9173091, 447429, 3300982, 121178151, 1323907951, 4397691548

Offset

1,2

Comments

Table starts

.......1.........10..........101.............910...............7545

......10........201.........3283...........48577.............679253

.....101.......3283........89293.........2266901...........55406625

.....910......48577......2266901.......101095392.........4397691548

....7545.....679253.....55406625......4397691548.......343737526300

...59178....9173091...1323907951....188568419989.....26640186018717

..447429..121178151..31194685583...8015152545175...2054059689574097

.3300982.1578188865.728618654983.338864385855724.157885132526126296

Links

R. H. Hardin, Table of n, a(n) for n = 1..144

Example

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

Crossrefs

Sequence in context: A288494 A288764 A287906 * A210143 A285941 A288300

Adjacent sequences: A210171 A210172 A210173 * A210175 A210176 A210177

Keyword

nonn,tabl

Author

R. H. Hardin Mar 18 2012

Status

approved