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A210086 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, three or four distinct values, and new values 0..3 introduced in row major order 9
1, 51, 51, 762, 2384, 762, 9405, 82691, 82691, 9405, 109194, 2718363, 7853122, 2718363, 109194, 1239185, 88297042, 735082380, 735082380, 88297042, 1239185, 13937206, 2860160370, 68665065250, 198214365329, 68665065250, 2860160370 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Table starts

.........1............51...............762...................9405

........51..........2384.............82691................2718363

.......762.........82691...........7853122..............735082380

......9405.......2718363.........735082380...........198214365329

....109194......88297042.......68665065250.........53426795638847

...1239185....2860160370.....6412474476465......14400521616297866

..13937206...92588511903...598825420604059....3881469256766776348

.156188077.2996810715343.55920736247669053.1046198451409469003484

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..1..0....0..0..1..0....0..0..0..1....0..0..0..0

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

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

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

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

CROSSREFS

Sequence in context: A003912 A039932 A210183 * A031959 A144162 A169984

Adjacent sequences:  A210083 A210084 A210085 * A210087 A210088 A210089

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 17 2012

STATUS

approved

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Last modified October 18 18:47 EDT 2021. Contains 348068 sequences. (Running on oeis4.)