A251440 Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements

46227589, 163787201307, 528079828285838, 1763553101217607559, 5809497281904741777928, 19237738468135258125727548, 63577339993396485656457199590, 210274431115789207766004659990778

Offset

1,1

Comments

Column 6 of A251442

Links

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

Example

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

Crossrefs

Sequence in context: A112444 A083630 A258609 * A250598 A237897 A230756

Adjacent sequences: A251437 A251438 A251439 * A251441 A251442 A251443

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved