A224388 Number of nX5 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing

56, 3136, 102232, 2332222, 45648753, 879830242, 17642791909, 365858453951, 7713944320142, 163629606236587, 3477919119488292, 73997041686359692, 1575770012461089025, 33581433844112168010, 716050604542387047024

Offset

1,1

Comments

Column 5 of A224391

Links

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

Example

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

Crossrefs

Sequence in context: A224176 A223868 A223990 * A224021 A042513 A264941

Adjacent sequences: A224385 A224386 A224387 * A224389 A224390 A224391

Keyword

nonn

Author

R. H. Hardin Apr 05 2013

Status

approved