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A205631 Number of 7X(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 1
64512, 625512, 8636544, 153531936, 3042034560, 63787803360, 1367618567424, 29643515275104, 645365452421376, 14080651801791360, 307493877105274752, 6718116600373467360, 146806374332666553600, 3208378167723075141600 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A205626
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..1....0..0..1..2..2....0..0..0..0..1....0..0..1..0..1
..2..0..1..0..0....1..2..1..0..0....0..1..0..2..0....1..2..2..2..1
..2..0..2..2..1....2..2..2..1..0....2..1..0..1..1....2..2..0..2..2
..2..2..2..1..0....0..0..0..1..2....2..2..1..2..1....1..1..1..1..1
..1..0..0..1..0....0..1..0..0..1....0..0..0..2..0....1..1..1..1..1
..2..1..0..0..2....2..1..2..2..1....2..0..1..0..1....2..1..2..1..2
..0..1..2..1..1....2..2..2..1..0....1..0..1..0..1....2..1..2..0..0
CROSSREFS
Sequence in context: A236702 A224827 A234128 * A205333 A165689 A236469
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2012
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)