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A194612
Half the number of lower triangles of an (n+1)X(n+1) 0..5 array with no element equal to the average of its horizontal and vertical neighbors
0
69, 12438, 12561823, 73569838704, 2481372954501732, 481414314393133400117
OFFSET
1,1
COMMENTS
Column 5 of A194615
EXAMPLE
Some solutions for 3X3
..0......0......3......3......1......2......2......5......4......2......1
..2.0....4.3....0.0....0.3....4.4....5.0....1.0....1.1....0.2....1.2....0.5
..1.5.2..0.4.0..0.4.3..4.1.2..5.0.5..2.4.0..0.4.5..2.5.1..4.2.4..4.1.2..2.5.4
CROSSREFS
Sequence in context: A232719 A297807 A251002 * A297768 A268847 A211212
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 30 2011
STATUS
approved