A222875 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order

34, 26311, 19707855, 20978414941, 16473931317022, 17791003053622809, 14337592109053271558, 15577784123509878927189, 12749920491741166976464865, 13889030706696776488786035425, 11487953403507942395037197786965

Offset

1,1

Comments

Column 5 of A222878

Links

R. H. Hardin, Table of n, a(n) for n = 1..51

Example

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

Crossrefs

Sequence in context: A287052 A177324 A270874 * A180770 A335096 A243314

Adjacent sequences: A222872 A222873 A222874 * A222876 A222877 A222878

Keyword

nonn

Author

R. H. Hardin Mar 08 2013

Status

approved