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A240263
Number of 4Xn 0..3 arrays with no element equal to one 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 or one plus the sum of the elements antidiagonally to its northeast, modulo 4
1
38, 342, 5484, 85567, 1378558, 22319938, 362690826, 5898993727, 95992458400, 1562396067329, 25432861065027, 414021867841448, 6740052707172499, 109725934863624789, 1786316156857741452, 29080970908527870835
OFFSET
1,1
COMMENTS
Row 4 of A240260
LINKS
EXAMPLE
Some solutions for n=4
..2..2..0..0....0..0..0..0....0..0..0..2....2..2..2..2....2..0..0..2
..2..2..0..2....0..0..2..2....2..2..2..2....2..2..2..0....2..0..2..2
..0..2..0..0....0..2..0..0....2..2..2..0....0..2..0..0....2..2..2..2
..2..2..2..2....0..2..2..0....0..0..2..0....0..0..3..2....0..2..0..2
CROSSREFS
Sequence in context: A204070 A242209 A201244 * A156661 A249711 A220918
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved