A251437 Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements

27486, 3204536, 360591824, 41060404870, 4653177899915, 528079828285838, 59895416958296448, 6794578583576754031, 770727122339512484660, 87427440690060912584495, 9917248465705842505589194

Offset

1,1

Comments

Column 3 of A251442

Links

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

Example

Some solutions for n=1
..0..1..0..0....1..1..1..1....0..3..2..0....2..2..2..3....0..0..2..3
..1..2..2..2....0..3..3..1....1..0..1..0....0..3..0..3....2..0..1..2

Crossrefs

Sequence in context: A187533 A321159 A236503 * A206364 A224110 A251958

Adjacent sequences: A251434 A251435 A251436 * A251438 A251439 A251440

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved