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A239822 Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4 1
25, 582, 17552, 510748, 14544801, 418324402, 12059066460, 347095468871, 9991360194005, 287711413471266, 8284928413145004, 238566125657445992, 6869701227384114007, 197820645386511819554, 5696463550662058123697 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A239819
LINKS
EXAMPLE
Some solutions for n=3
..2..3..2....2..3..0....2..3..2....2..3..0....3..2..3....2..3..3....3..2..0
..2..3..0....1..2..2....1..3..2....1..2..0....1..2..1....1..2..1....3..0..2
..3..0..1....2..0..0....3..1..2....1..3..3....3..2..2....1..3..3....1..0..0
..2..1..2....3..1..2....1..2..2....2..3..2....3..2..0....2..0..3....3..1..2
CROSSREFS
Sequence in context: A015679 A230454 A014909 * A264220 A228827 A159661
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 27 2014
STATUS
approved

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Last modified June 18 15:46 EDT 2024. Contains 373481 sequences. (Running on oeis4.)