A233709 Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 14

96, 2624, 136960, 18407992, 5886720368, 4918448758808, 10112718125166672, 53740179167608102520

Offset

1,1

Comments

Diagonal of A233717

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A204624 A090449 A336677 * A268901 A239158 A105254

Adjacent sequences: A233706 A233707 A233708 * A233710 A233711 A233712

Keyword

nonn

Author

R. H. Hardin, Dec 15 2013

Status

approved