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A237852
Number of (n+1)X(n+1) 0..1 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors
0
2, 14, 184, 4826, 315896, 51576880, 19525964230, 16973909462042, 34503263815183768, 164908132253513334892, 1846422015725929807175264, 48336702149147111721837411520, 2960196197873119343187488260921706
OFFSET
1,1
COMMENTS
Diagonal of A237859
EXAMPLE
Some solutions for n=4
..1..1..1..1..1....0..0..1..1..0....1..1..0..1..1....0..0..0..1..1
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..1..1....0..0..0..1..1....0..0..1..1..0....0..0..0..0..0
..1..1..1..1..1....0..0..0..1..1....1..1..1..1..0....1..1..1..1..1
CROSSREFS
Sequence in context: A191236 A217905 A370940 * A219874 A074655 A268005
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 14 2014
STATUS
approved