A238023 Number of (n+2)X(3+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors

212, 12722, 38612, 2176212, 8433752, 428504162, 1974653492, 90867483692, 477384762152, 20149024306412, 117424769300792, 4601622865485272, 29186739200360912, 1072964431850750882, 7304093149598867252

Offset

1,1

Comments

Column 3 of A238026

Links

R. H. Hardin, Table of n, a(n) for n = 1..20

Example

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

Crossrefs

Sequence in context: A267062 A250326 A344423 * A204299 A332121 A083962

Adjacent sequences: A238020 A238021 A238022 * A238024 A238025 A238026

Keyword

nonn

Author

R. H. Hardin, Feb 17 2014

Status

approved