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A241280
Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4
1
7, 13, 126, 773, 6783, 77955, 1009773, 14440961, 217830879, 3381893022, 53303588755, 846694715304, 13502819912939, 215775668844659, 3451661371624419, 55243520432395260, 884402593677949937
OFFSET
1,1
COMMENTS
Column 4 of A241283
LINKS
EXAMPLE
Some solutions for n=4
..3..3..2..3....3..2..3..3....3..2..3..2....3..2..3..2....3..3..2..3
..2..1..3..0....0..3..1..2....0..3..2..3....0..3..2..3....2..1..3..2
..2..1..3..2....0..0..2..2....2..2..2..2....2..0..2..0....2..2..2..2
..2..2..2..2....2..2..0..0....2..1..2..0....0..0..2..2....2..0..2..2
CROSSREFS
Sequence in context: A128351 A192894 A367597 * A219703 A198947 A342717
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2014
STATUS
approved