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A233636
Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2
1
24, 534, 26192, 3455622, 1060656512, 864270587606, 1663637150636064, 8467990788094853738, 102371522246758691277864, 3269963168017705080985673118, 248504876118364953895295524844600
OFFSET
1,1
COMMENTS
Diagonal of A233644
LINKS
EXAMPLE
Some solutions for n=3
..2..2..1..2....1..1..1..1....1..0..1..1....1..1..2..2....1..0..0..1
..1..1..1..1....2..1..0..0....1..1..1..0....2..1..2..1....1..1..1..1
..0..0..1..0....2..1..1..1....1..2..1..1....1..1..1..1....1..2..2..1
..1..1..1..0....2..1..2..1....2..2..1..2....1..2..2..2....1..1..2..2
CROSSREFS
Sequence in context: A264956 A055007 A014907 * A121905 A192835 A235118
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 14 2013
STATUS
approved