A224350 Number of nX5 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing

21, 441, 5840, 57387, 495985, 4231138, 37433596, 342170839, 3178789749, 29672959682, 277160393375, 2589242347971, 24204240827093, 226449704878547, 2120085885822119, 19857888410207651, 186050078426398273

Offset

1,1

Comments

Column 5 of A224353

Links

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

R. H. Hardin, Empirical recurrence of order 56

Formula

Empirical recurrence of order 56 (see link above)

Example

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

Crossrefs

Sequence in context: A206886 A188770 A223922 * A224192 A207184 A189060

Adjacent sequences: A224347 A224348 A224349 * A224351 A224352 A224353

Keyword

nonn

Author

R. H. Hardin Apr 04 2013

Status

approved