A250960 Number of (n+1)X(3+1) 0..3 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element

14423, 768855, 42534386, 2395598690, 134817198768, 7555575891628, 422498268460458, 23613315121132337, 1319861026495444120, 73783397172682901663, 4124914218135502826007, 230608643084497820614344

Offset

1,1

Comments

Column 3 of A250965

Links

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

R. H. Hardin, Empirical recurrence of order 75

Formula

Empirical recurrence of order 75 (see link above)

Example

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

Crossrefs

Sequence in context: A166371 A234487 A234977 * A238060 A210050 A203815

Adjacent sequences: A250957 A250958 A250959 * A250961 A250962 A250963

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved