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A238028 Number of (2+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 1
146, 310, 12722, 32502, 1147442, 3283862, 104956562, 323207446, 9683790866, 31428574342, 899218599554, 3038452573750, 83934164549906, 292947099322966, 7869062871900626, 28211912828754006, 740578605678171986 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 2 of A238026

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..44

EXAMPLE

Some solutions for n=4

..0..0..0..0..0..0....0..0..0..0..0..0....0..0..1..1..1..1....0..1..0..1..1..1

..0..1..1..1..1..1....0..0..1..1..1..1....0..0..1..0..0..0....1..0..0..0..1..0

..0..0..0..0..1..1....1..0..0..1..1..0....1..1..0..0..1..1....0..1..1..1..0..1

..1..1..1..1..0..0....1..1..1..0..0..1....1..0..0..0..0..0....0..0..0..0..0..0

CROSSREFS

Sequence in context: A119379 A118699 A238579 * A179572 A211838 A158132

Adjacent sequences:  A238025 A238026 A238027 * A238029 A238030 A238031

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 17 2014

STATUS

approved

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Last modified May 9 19:47 EDT 2021. Contains 343746 sequences. (Running on oeis4.)