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

48, 864, 21272, 1037788, 75825248, 11722485528, 2840020818344, 1476118545404184, 1270676300695096504

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