A238029 Number of (3+2)X(n+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors

260, 4730, 38612, 793252, 5924312, 126809722, 925685972, 20101505132, 146575894280, 3194747877980, 23456317323896, 510766808846456, 3786696887418320, 82210210212664250, 615846898245378260

Offset

1,1

Comments

Row 3 of A238026

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

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

Crossrefs

Sequence in context: A108109 A235905 A287923 * A264254 A254647 A168187

Adjacent sequences: A238026 A238027 A238028 * A238030 A238031 A238032

Keyword

nonn

Author

R. H. Hardin, Feb 17 2014

Status

approved