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A235761
Number of (n+1)X(4+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise
1
378, 3900, 41446, 375746, 3328260, 26947867, 210973948, 1565770379, 11256123354, 78072050576, 527123759962, 3466598019110, 22301706547606, 140574140178572, 870358749670086, 5301475268558800, 31823194588016876, 188502025819240539
OFFSET
1,1
COMMENTS
Column 4 of A235765
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..1..1....1..1..1..1..1....1..0..0..0..0....0..1..1..1..0
..0..1..0..1..1....1..0..1..0..1....0..0..0..1..1....1..1..1..1..1
..0..0..0..1..1....0..1..0..1..1....1..0..0..0..0....0..1..1..1..1
..0..0..0..1..1....0..0..0..1..1....0..0..0..0..1....1..0..0..1..0
CROSSREFS
Sequence in context: A058041 A224337 A239174 * A154078 A047632 A033699
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2014
STATUS
approved