

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


0



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

1,1


COMMENTS



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



STATUS

approved



