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A240791
Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4
1
7, 10, 19, 37, 85, 142, 386, 979, 1988, 5128, 10616, 25230, 58238, 125528, 302384, 670325, 1520808, 3524961, 7865967, 18151793, 41320633, 93575521, 215154289, 487353355, 1112746546, 2542170679, 5772347607, 13196888198, 30049864101
OFFSET
1,1
COMMENTS
Column 4 of A240792
LINKS
EXAMPLE
Some solutions for n=4
..3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..2
..3..2..3..2....3..2..3..2....3..2..3..2....3..2..1..1....3..2..1..2
..2..2..0..3....2..0..0..2....2..2..0..2....2..0..2..2....2..0..0..2
..2..0..2..3....3..3..0..2....2..0..0..2....2..0..0..1....2..0..0..2
CROSSREFS
Sequence in context: A196939 A038211 A122226 * A064210 A249942 A300021
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2014
STATUS
approved