A222999 Number of nX5 0..2 arrays with no more than floor(nX5/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order

24, 1814, 125907, 18420655, 1388632315, 213770689590, 16612891441497, 2613783409317401, 206758595651028725, 32954855551774604713, 2636001088339869354467, 423706560922870576914860

Offset

1,1

Comments

Column 5 of A223000

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

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

Crossrefs

Sequence in context: A084224 A348589 A227257 * A166788 A123794 A269648

Adjacent sequences: A222996 A222997 A222998 * A223000 A223001 A223002

Keyword

nonn

Author

R. H. Hardin Mar 11 2013

Status

approved