A206382 Number of (n+1)X8 0..3 arrays with every 2X2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..3 introduced in row major order

3375401, 4648291369, 6728546532521, 9803619036105721, 14294968502144130953, 20848171803769792984489

Offset

1,1

Comments

Column 7 of A206383

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A015408 A036472 A206168 * A114682 A157106 A123201

Adjacent sequences: A206379 A206380 A206381 * A206383 A206384 A206385

Keyword

nonn

Author

R. H. Hardin Feb 07 2012

Status

approved