A251400 Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements

130668665, 1182680672547, 10632092711682548, 95695193651485137766, 861234687688644770671972, 7751024510134118526532685644, 69758457677840521663637000916478, 627819220679549012794538463118384215

Offset

1,1

Comments

Column 6 of A251402

Links

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

Example

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

Crossrefs

Sequence in context: A258262 A059092 A147715 * A251281 A011577 A186573

Adjacent sequences: A251397 A251398 A251399 * A251401 A251402 A251403

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved