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A195797
Number of triangular nXnXn 0..n arrays with all rows and diagonals having the same length having the same sum, with corners zero
1
1, 1, 4, 125, 5052, 5828215, 479534519840
OFFSET
1,3
COMMENTS
Diagonal of A195805
EXAMPLE
Some solutions for n=5
......0..........0..........0..........0..........0..........0..........0
.....0.1........5.0........5.0........4.3........5.0........1.0........3.2
....4.4.3......5.0.5......3.0.5......4.0.3......3.0.4......3.1.3......5.1.5
...1.2.3.1....0.0.0.5....0.4.2.3....2.1.2.4....0.2.1.4....0.1.1.1....1.4.4.2
..0.0.5.0.0..0.5.5.0.0..0.5.1.2.0..0.5.2.3.0..0.5.2.1.0..0.1.3.0.0..0.4.2.3.0
CROSSREFS
Sequence in context: A068891 A337245 A073351 * A354549 A286017 A068894
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 23 2011
STATUS
approved