A233720 Number of (n+1)X(3+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26

11016, 101644, 998048, 10950676, 122218188, 1417835712, 16483703564, 194721929436, 2296636990520, 27285817326088, 323545654903716, 3850382758561204, 45752439516588968, 544695951621853076

Offset

1,1

Comments

Column 3 of A233724

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=2
..5..1..3..6....3..7..7..6....3..3..3..3....2..5..2..3....6..4..1..4
..4..4..1..4....6..6..3..6....4..0..4..0....2..6..6..3....4..1..3..1
..0..1..3..6....7..3..1..4....1..0..1..0....3..3..2..2....6..4..6..3

Crossrefs

Sequence in context: A267934 A218598 A096930 * A368697 A285845 A160711

Adjacent sequences: A233717 A233718 A233719 * A233721 A233722 A233723

Keyword

nonn

Author

R. H. Hardin, Dec 15 2013

Status

approved