A233716 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 14

853104, 27795204, 1132387344, 58415215048, 3129633625144, 177945200983012, 10112718125166672, 585923771078406600, 33788190430111627200, 1964395047286387007372, 113753907849715036789720

Offset

1,1

Comments

Column 7 of A233717

Links

R. H. Hardin, Table of n, a(n) for n = 1..28

Example

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

Crossrefs

Sequence in context: A141296 A236978 A209949 * A103913 A151939 A172846

Adjacent sequences: A233713 A233714 A233715 * A233717 A233718 A233719

Keyword

nonn

Author

R. H. Hardin, Dec 15 2013

Status

approved