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A240335
Number of nX4 0..3 arrays with no element equal to two 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
1
11, 125, 1543, 14456, 110327, 716770, 4106515, 21225132, 100450928, 439636230, 1794450993, 6877191513, 24890635414, 85487063870, 279762732186, 875466952987, 2627798748965, 7586416486816, 21117565954821, 56805212100627
OFFSET
1,1
COMMENTS
Column 4 of A240338
FORMULA
Empirical polynomial of degree 30 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..0..3....0..0..3..3....0..3..0..3....0..0..3..3....3..0..0..0
..0..3..0..2....0..3..3..2....3..3..3..2....0..0..3..2....0..3..0..3
..3..3..3..0....0..3..3..2....0..1..2..0....0..3..2..1....0..0..1..0
..0..3..2..2....3..2..2..2....0..3..2..1....0..0..3..2....0..3..0..3
CROSSREFS
Sequence in context: A242523 A015596 A163310 * A076483 A209901 A285056
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved