A233876 - OEIS

A233876

Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11

24, 300, 6200, 251532, 15013864, 2431002508, 403041750472, 285753346219740, 125838291171855560, 411608030729505994828, 465691063859195409734664

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OFFSET

1,1

COMMENTS

Diagonal of A233883

LINKS

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 17 2013

STATUS

approved