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A204628
Number of (n+1)X7 0..2 arrays with every 2X2 subblock having unequal diagonal elements or unequal antidiagonal elements, and new values 0..2 introduced in row major order
1
393216, 425257068, 459972403614, 497525810748759, 538145459458960020, 582081449451902347866, 629604521519860258105194, 681007535879068229405338152, 736607263887839663637635211744
OFFSET
1,1
COMMENTS
Column 6 of A204630
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..2..1..2..2....0..0..0..0..0..0..0....0..1..0..1..1..1..1
..1..1..0..1..1..0..0....1..1..1..0..1..2..2....1..1..0..0..1..2..1
..2..0..0..2..0..0..1....1..0..1..1..1..0..2....0..2..1..0..2..2..1
..1..2..0..1..2..2..0....0..0..0..0..1..1..0....0..2..2..2..1..2..0
CROSSREFS
Sequence in context: A346351 A157623 A145228 * A171439 A210162 A320209
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 17 2012
STATUS
approved