A251450 Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements

985223, 403222305, 184506926190, 85556587695052, 39771181944389404, 18495437790197129833, 8602687112500228141685, 4001407408282839128789885, 1861222024227847494165869294, 865732686486731790761149075818

Offset

1,1

Comments

Column 7 of A251451

Links

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

Example

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

Crossrefs

Sequence in context: A213125 A344038 A250859 * A205656 A206185 A205367

Adjacent sequences: A251447 A251448 A251449 * A251451 A251452 A251453

Keyword

nonn

Author

R. H. Hardin, Dec 02 2014

Status

approved