A251487 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements

740096, 541815424, 396684056960, 290403118046224, 212595602301764864, 155634922739125247648, 113935706529820385852096, 83408950603225147662340176, 61061218725064232993811630272

Offset

1,1

Comments

Column 4 of A251491

Links

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

R. H. Hardin, Empirical recurrence of order 48

Formula

Empirical recurrence of order 48 (see link above)

Example

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

Crossrefs

Sequence in context: A107447 A184504 A249317 * A227905 A282407 A147707

Adjacent sequences: A251484 A251485 A251486 * A251488 A251489 A251490

Keyword

nonn

Author

R. H. Hardin, Dec 03 2014

Status

approved