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A204779
Number of (n+2)X7 0..2 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..2 introduced in row major order
1
537665796, 465761252736, 387664140116880, 323760110018338584, 270709468240858645320, 226195161314062528733400, 189028841218044281822571840, 157967089903037319532707782016
OFFSET
1,1
COMMENTS
Column 5 of A204782
LINKS
EXAMPLE
Some solutions for n=3
..0..1..2..1..2..0..0....0..0..0..0..1..0..2....0..0..1..0..0..1..0
..1..2..1..1..0..1..0....1..1..0..2..1..0..1....2..0..1..2..2..0..1
..1..0..0..2..2..2..2....0..2..0..1..2..1..0....0..2..1..2..1..0..1
..2..1..0..2..0..1..2....2..0..2..1..0..1..2....1..2..0..2..1..0..2
..2..1..0..1..2..1..2....1..2..2..1..0..2..0....2..0..2..0..1..1..0
CROSSREFS
Sequence in context: A011579 A122970 A362870 * A278201 A172619 A090468
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 19 2012
STATUS
approved