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A204151 Number of (n+2)X8 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order 1
4128422, 29610374, 152500334, 826613438, 4563772922, 25723818038, 138134688554, 761533538294, 4141845409538, 22819902563342, 123961103374538, 678268376581502, 3687728534652242, 20228210090452262, 110260687991850938 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A204153

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..48

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A346332 A333376 A230755 * A205245 A237174 A345627

Adjacent sequences:  A204148 A204149 A204150 * A204152 A204153 A204154

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 11 2012

STATUS

approved

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Last modified October 21 01:09 EDT 2021. Contains 348120 sequences. (Running on oeis4.)