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A250961 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element 1
130025, 17233753, 2395598690, 333998523952, 46264786072136, 6395621652233739, 885209240358912591, 122697293556820230187, 17018046740673828117784, 2360644255649504878062506, 327434317874474921244626335 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A250965
LINKS
EXAMPLE
Some solutions for n=1
..3..1..0..3..0....3..0..0..3..3....1..3..2..3..3....1..0..3..2..0
..1..1..0..1..3....2..3..0..3..3....0..0..2..2..2....2..0..0..1..1
CROSSREFS
Sequence in context: A114668 A128038 A210273 * A225026 A202935 A013893
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 29 2014
STATUS
approved

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Last modified February 22 17:47 EST 2024. Contains 370260 sequences. (Running on oeis4.)