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

10950, 710438, 49016166, 3387331664, 234762060017, 16266032347068, 1127188549315094, 78108947939153774, 5412634621905520518, 375073042253075612436, 25991014278400491346836, 1801069823478932107711102

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