A251304 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements

310224, 108857571, 38343620608, 13468082968018, 4729336342478281, 1661155660245079699, 583546015909703620443, 204998612687987844209443, 72015656595745247029716874, 25298940924210464723823638138

Offset

1,1

Comments

Column 4 of A251308

Links

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

Example

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

Crossrefs

Sequence in context: A359846 A206276 A377953 * A127491 A205204 A205062

Adjacent sequences: A251301 A251302 A251303 * A251305 A251306 A251307

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved