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A251172 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements 1
923568, 447045247, 234762060017, 124211482822101, 65874570824121892, 34940908062684870572, 18536660798329970607776, 9833910431499303816191564, 5217057456434000396401673918, 2767734493596606347007396543726 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A251175
LINKS
EXAMPLE
Some solutions for n=1
..2..2..2..2..3..2....2..2..1..0..2..2....2..2..1..1..2..2....3..2..3..0..3..0
..0..2..2..1..3..2....0..2..1..2..3..2....0..2..1..3..3..2....0..3..2..3..1..3
CROSSREFS
Sequence in context: A156428 A251954 A098208 * A105011 A345613 A346330
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved

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Last modified April 13 01:48 EDT 2024. Contains 371639 sequences. (Running on oeis4.)