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A233988 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal 1
291648, 16042420, 869143232, 52813238148, 3112596618224, 191944315497416, 11561322774100248, 712841251908681360, 43270951708019237896, 2662587274903549797456, 162193609948861341600456 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A233989

LINKS

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

EXAMPLE

Some solutions for n=1

..0..1..3..2..3..4..2..0....0..2..1..2..1..3..1..3....1..2..0..2..4..3..4..2

..2..3..2..0..1..3..1..2....2..1..3..4..2..1..2..1....3..1..2..1..2..1..2..1

CROSSREFS

Sequence in context: A250618 A252992 A253532 * A287048 A168500 A104328

Adjacent sequences:  A233985 A233986 A233987 * A233989 A233990 A233991

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 2013

STATUS

approved

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Last modified May 11 13:41 EDT 2021. Contains 343791 sequences. (Running on oeis4.)