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A240274
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 or one plus the sum of the elements diagonally to its northwest, modulo 4
1
7, 36, 582, 8265, 126286, 2059061, 34514871, 591083808, 10257888481, 179492029479, 3156570684216, 55683928149753, 984159273442563, 17414013354270353, 308343982790239450, 5462057581927992592
OFFSET
1,1
COMMENTS
Row 4 of A240271
LINKS
EXAMPLE
Some solutions for n=4
..3..2..3..3....3..0..2..0....2..3..0..0....3..2..0..2....3..0..0..0
..3..1..2..3....2..3..2..0....2..1..2..3....3..1..2..0....3..2..2..0
..2..3..0..2....3..1..2..0....3..2..2..1....2..1..0..2....2..1..0..2
..3..2..0..0....2..3..2..0....3..2..0..3....3..2..0..2....3..2..2..0
CROSSREFS
Sequence in context: A020085 A356076 A120106 * A129737 A176544 A281994
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved