A233645 Number of (n+1)X(n+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 14

144, 5232, 364512, 64384744, 27145405344, 30477019485544, 83444652183591008

Offset

1,1

Comments

Diagonal of A233653

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for n=2
..4..5..3....0..0..3....4..4..3....4..3..2....2..4..2....5..4..1....2..5..5
..4..2..2....3..1..1....3..1..1....1..3..0....2..1..2....2..4..2....3..3..2
..5..5..3....4..4..2....3..4..2....0..3..2....2..4..2....1..4..1....1..0..0

Crossrefs

Sequence in context: A221127 A262788 A319294 * A086985 A371251 A259318

Adjacent sequences: A233642 A233643 A233644 * A233646 A233647 A233648

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved