A238522 Number of (n+1)X(5+1) 0..3 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors

812028, 321566028, 659389472784, 926028739793772, 1409574919301273724, 2108531560861406325624, 3165968079933736100217252, 4749848944857367305407776644, 7127371445319354751412567415840

Offset

1,1

Comments

Column 5 of A238523

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A343082 A344239 A344240 * A372300 A210060 A237790

Adjacent sequences: A238519 A238520 A238521 * A238523 A238524 A238525

Keyword

nonn

Author

R. H. Hardin, Feb 28 2014

Status

approved