A251015 Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the maximum of its antidiagonal elements

18910, 1691169, 151364054, 13508173078, 1205414504630, 107601568615993, 9606281958966442, 857630836924918239, 76567531290992163701, 6835781555200308942613, 610283386103955842659188

Offset

1,1

Comments

Column 4 of A251019

Links

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

R. H. Hardin, Empirical recurrence of order 92

Formula

Empirical recurrence of order 92 (see link above)

Example

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

Crossrefs

Sequence in context: A212077 A224573 A342080 * A277787 A252885 A232576

Adjacent sequences: A251012 A251013 A251014 * A251016 A251017 A251018

Keyword

nonn

Author

R. H. Hardin, Nov 29 2014

Status

approved