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A231517 Number of n X n 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors 0
2, 10, 153, 7697, 1031105, 451200772, 697702378939, 3293112511839389, 46764849359077493872, 2109508899293218313962632 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A231523

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A194026 A165940 A007080 * A134088 A076659 A197313

Adjacent sequences:  A231514 A231515 A231516 * A231518 A231519 A231520

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 10 2013

STATUS

approved

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Last modified October 16 13:32 EDT 2019. Contains 328093 sequences. (Running on oeis4.)