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A238022 Number of (n+2)X(2+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors 1
74, 310, 4730, 10362, 325418, 677750, 21958106, 53790778, 1439629634, 4161478414, 92041179386, 304213814986, 5765304183818, 21169795378678, 355195154002010, 1417559402402490, 21589075375711250, 92135427005690030 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A238026

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..39

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A232512 A046833 A205754 * A296025 A204362 A321114

Adjacent sequences:  A238019 A238020 A238021 * A238023 A238024 A238025

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 17 2014

STATUS

approved

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Last modified October 3 04:21 EDT 2022. Contains 357230 sequences. (Running on oeis4.)