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A233959 Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 10 0
48, 864, 21272, 1037788, 75825248, 11722485528, 2840020818344, 1476118545404184, 1270676300695096504 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A233967

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

..3..2..1..2....3..0..3..1....3..2..3..2....0..3..0..1....0..3..3..1

..3..0..3..0....2..1..0..2....3..0..1..0....2..1..2..3....3..2..0..0

..2..3..2..1....3..0..3..1....1..2..3..2....0..3..0..3....0..3..1..3

..0..3..0..3....2..3..2..0....0..3..0..3....2..1..0..1....1..0..2..0

CROSSREFS

Sequence in context: A014401 A241873 A233784 * A233177 A014703 A233674

Adjacent sequences:  A233956 A233957 A233958 * A233960 A233961 A233962

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 2013

STATUS

approved

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Last modified September 27 15:44 EDT 2021. Contains 347691 sequences. (Running on oeis4.)