A233915 Number of (n+1)X(6+1) 0..7 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal

145004, 4908404, 148503096, 5494251884, 179779430264, 6709328689904, 224247343748408, 8354188752786996, 282149056961983552, 10483870479310426784, 356671417796342099644, 13222669495882027796652

Offset

1,1

Comments

Column 6 of A233917

Links

R. H. Hardin, Table of n, a(n) for n = 1..147

Example

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

Crossrefs

Sequence in context: A133324 A348808 A209968 * A237297 A204527 A345753

Adjacent sequences: A233912 A233913 A233914 * A233916 A233917 A233918

Keyword

nonn

Author

R. H. Hardin, Dec 17 2013

Status

approved