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A251170 Number of (n+1)X(3+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
10950, 710438, 49016166, 3387331664, 234762060017, 16266032347068, 1127188549315094, 78108947939153774, 5412634621905520518, 375073042253075612436, 25991014278400491346836, 1801069823478932107711102 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A251175

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

..3..1..2..2....2..3..2..0....1..1..1..3....0..3..3..3....1..2..3..3

..1..1..2..3....3..3..2..2....1..1..3..0....3..1..3..3....2..2..3..3

CROSSREFS

Sequence in context: A179250 A105716 A205052 * A035913 A124668 A270148

Adjacent sequences:  A251167 A251168 A251169 * A251171 A251172 A251173

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 30 2014

STATUS

approved

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Last modified August 16 22:14 EDT 2022. Contains 356169 sequences. (Running on oeis4.)