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A251150 Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements 0
65, 8407, 6441563, 29975340928, 835576868190958, 140510035307275968193, 142076030393678638383737655, 865077266113415921594160660031079, 31698615993472306460013429967595879535805 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A251158
LINKS
EXAMPLE
Some solutions for n=2
..2..0..2....1..1..2....0..1..0....0..0..1....1..1..0....0..2..1....2..0..1
..1..1..0....0..0..2....0..2..1....1..2..2....2..1..0....1..0..0....2..0..2
..2..1..1....2..2..1....1..0..1....1..2..0....2..1..2....1..1..0....2..0..2
CROSSREFS
Sequence in context: A282839 A144661 A296144 * A176370 A093265 A264541
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved

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Last modified February 23 15:28 EST 2024. Contains 370283 sequences. (Running on oeis4.)