A233722 Number of (n+1)X(5+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 26

423220, 6622988, 122218188, 2734167036, 64803794224, 1650535163756, 42662876957452, 1138753868813024, 30417352450106740, 825958926565574016, 22355797769496998816, 610836631650873729748, 16626988536692397545480

Offset

1,1

Comments

Column 5 of A233724

Links

R. H. Hardin, Table of n, a(n) for n = 1..34

Example

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

Crossrefs

Sequence in context: A130022 A175610 A003828 * A253958 A253965 A253761

Adjacent sequences: A233719 A233720 A233721 * A233723 A233724 A233725

Keyword

nonn

Author

R. H. Hardin, Dec 15 2013

Status

approved