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A267670
Number of 5Xn 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.
1
12, 288, 1800, 18432, 80404, 624476, 2369260, 16599404, 58673768, 396192232, 1341344220, 8997486724, 29537306724, 199856740924, 639725846056, 4402373616416, 13773133899732, 96844636475844, 296410370293060
OFFSET
1,1
COMMENTS
Row 5 of A267667.
FORMULA
Empirical recurrence of order 96 (see link above)
EXAMPLE
Some solutions for n=5
..0..1..0..1..1....0..1..0..1..0....0..1..0..1..0....0..1..1..0..1
..0..1..0..0..1....0..0..1..0..1....0..1..0..1..1....0..1..0..1..1
..1..0..1..0..1....1..0..1..1..0....1..0..1..1..0....0..1..0..0..1
..0..1..0..0..1....0..0..1..1..0....0..1..0..1..1....0..1..0..1..0
..0..0..1..1..0....1..0..1..1..0....1..1..0..1..0....1..1..0..0..1
CROSSREFS
Cf. A267667.
Sequence in context: A077424 A275562 A275087 * A159827 A192191 A145448
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2016
STATUS
approved