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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 1
145004, 4908404, 148503096, 5494251884, 179779430264, 6709328689904, 224247343748408, 8354188752786996, 282149056961983552, 10483870479310426784, 356671417796342099644, 13222669495882027796652 (list; graph; refs; listen; history; text; internal format)
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: A204641 A133324 A209968 * A237297 A204527 A345753

Adjacent sequences:  A233912 A233913 A233914 * A233916 A233917 A233918

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 17 2013

STATUS

approved

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Last modified September 21 07:28 EDT 2021. Contains 347596 sequences. (Running on oeis4.)