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A205429 Number of (n+1)X7 0..3 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order 0
609086, 160862398, 55445403092, 19790583241516, 7075689720463554 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A205431

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A218107 A274173 A206175 * A308279 A195281 A235069

Adjacent sequences:  A205426 A205427 A205428 * A205430 A205431 A205432

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 27 2012

STATUS

approved

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Last modified May 18 23:31 EDT 2022. Contains 353826 sequences. (Running on oeis4.)