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A205632 Number of 8X(n+1) 0..2 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..2 introduced in row major order 0
352512, 4211904, 75419136, 1819019544, 50032728864, 1476599815224, 44843430265344, 1382078906899128, 42879337322182320, 1335447125119528872 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A205626
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1..2....0..0..0..0..1....0..1..1..1..1....0..0..0..1..0
..2..2..2..1..2....0..2..0..1..1....0..0..1..0..1....2..1..2..1..0
..2..1..2..2..0....0..1..0..2..2....1..2..2..2..2....0..2..2..2..1
..0..0..0..1..1....1..1..1..0..2....1..1..2..0..2....1..1..0..0..0
..0..2..0..0..1....2..2..2..0..1....0..0..2..1..1....2..1..1..0..1
..0..1..1..2..1....0..2..0..0..0....1..0..0..2..1....2..0..2..2..2
..1..1..2..2..2....0..1..1..2..1....1..2..1..2..0....0..0..0..2..1
..0..0..0..1..0....0..0..1..1..1....1..1..0..1..2....1..1..1..2..0
CROSSREFS
Sequence in context: A172886 A172916 A172765 * A205334 A140942 A294858
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2012
STATUS
approved

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Last modified April 14 20:39 EDT 2024. Contains 371667 sequences. (Running on oeis4.)