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A239999
Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4
0
7, 95, 2766, 104291, 4267171, 191691132, 9314138750, 491124025940, 27909482079539, 1692630653817741, 107957214893703974
OFFSET
1,1
COMMENTS
Column 6 of A240000
EXAMPLE
Some solutions for n=3
..0..3..3..0..0..0....0..0..0..0..0..3....0..0..0..0..3..3....0..0..0..0..0..3
..3..2..3..3..3..0....0..3..3..0..0..2....3..3..0..0..2..2....3..3..0..0..0..0
..2..1..2..0..0..3....0..0..2..1..3..2....3..3..1..3..2..2....0..3..1..0..0..0
CROSSREFS
Sequence in context: A306025 A130183 A156961 * A054932 A217240 A222834
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 30 2014
STATUS
approved