A233957 Number of (n+1)X(7+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal

859628, 60946532, 4554084512, 357835576968, 28436177941324, 2282517634494836, 183601380666535560, 14807603116140506620, 1194593601489916919496, 96455844197418716877980, 7787887576136132679768388

Offset

1,1

Comments

Column 7 of A233958

Links

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

Example

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

Crossrefs

Sequence in context: A151939 A172846 A115546 * A224596 A175279 A166485

Adjacent sequences: A233954 A233955 A233956 * A233958 A233959 A233960

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved