A251399 Number of (n+1)X(5+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements

9195809, 22875877611, 56631282128854, 140311657486510902, 347621346436641654516, 861234687688644770671972, 2133718605852583377537309624, 5286311814644085887392523805345

Offset

1,1

Comments

Column 5 of A251402

Links

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

Example

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

Crossrefs

Sequence in context: A172711 A187675 A205615 * A206599 A245746 A206098

Adjacent sequences: A251396 A251397 A251398 * A251400 A251401 A251402

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved