A233636 - OEIS

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

24, 534, 26192, 3455622, 1060656512, 864270587606, 1663637150636064, 8467990788094853738, 102371522246758691277864, 3269963168017705080985673118, 248504876118364953895295524844600

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OFFSET

1,1

COMMENTS

Diagonal of A233644

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..12

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

Adjacent sequences: A233633 A233634 A233635 * A233637 A233638 A233639

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved