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A235755 Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise 1
15782, 996868, 68186440, 3951955004, 229794497298, 11883494266538, 593235221174732, 27256390817706239, 1196211281372270826, 49366884980552894414, 1949628589021761460325, 73414944182224778086972 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A235756
LINKS
EXAMPLE
Some solutions for n=1
..0..1..1..2..2....0..1..2..2..2....2..1..2..2..0....1..1..1..1..1
..0..1..1..0..1....0..1..1..0..2....1..1..2..2..2....1..0..1..0..2
CROSSREFS
Sequence in context: A187031 A233642 A246042 * A235530 A116493 A061733
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 15 2014
STATUS
approved

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)