A210172 Number of (n+1)X7 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

59178, 9173091, 1323907951, 188568419989, 26640186018717, 3748133016211929, 526005343487519133, 73706883182657394867, 10318722914922314099443, 1443787914404541881751435, 201946673325313730165095787

Offset

1,1

Comments

Column 6 of A210174

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A352038 A321814 A288886 * A333056 A224972 A104919

Adjacent sequences: A210169 A210170 A210171 * A210173 A210174 A210175

Keyword

nonn

Author

R. H. Hardin Mar 18 2012

Status

approved