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A223638
Number of n X n 0..1 arrays with rows, columns, diagonals and antidiagonals unimodal
0
2, 16, 218, 2962, 36947, 428187, 4682514, 49045356, 497721760, 4944054774
OFFSET
1,1
COMMENTS
Diagonal of A223644
EXAMPLE
Some solutions for n=4
..0..0..0..1....0..0..1..0....1..1..1..0....0..0..0..0....0..0..0..1
..0..0..1..1....1..1..0..0....0..1..1..0....1..0..0..0....1..1..1..0
..0..1..1..1....0..1..0..0....0..0..1..0....0..0..0..1....0..0..0..0
..0..1..1..0....0..1..0..0....0..0..0..1....0..1..0..0....0..0..0..0
CROSSREFS
Sequence in context: A267782 A012164 A264543 * A188688 A188844 A187657
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 24 2013
STATUS
approved