A224032 Number of n X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.
2, 8, 37, 168, 734, 3107, 12856, 52356, 210890, 843084, 3353221, 13291387, 52567559, 207621934, 819398693, 3232688584, 12752707695, 50314551092, 198559706395, 783841017918, 3095442338516, 12228799206771
Offset: 1
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Examples
Some solutions for n=3 ..0..0..0....0..1..1....0..0..1....1..1..1....0..0..1....0..0..1....1..1..1 ..0..1..1....0..0..1....0..0..1....0..1..1....0..1..1....0..1..1....0..1..1 ..0..1..1....0..0..0....0..1..1....1..1..1....0..0..1....0..1..1....0..0..1
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