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A231537 Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors 0
2, 6, 116, 5235, 698721, 296647240, 377320795091, 1427091915943685, 16275505874784645068, 559452975372572489151940, 57794335929868421679761670649, 17952766686511189002062020444856828 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A231544

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A056164 A156500 A264889 * A303441 A075391 A212158

Adjacent sequences:  A231534 A231535 A231536 * A231538 A231539 A231540

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 10 2013

STATUS

approved

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Last modified August 10 16:24 EDT 2022. Contains 356039 sequences. (Running on oeis4.)