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A222453 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
4, 10, 27, 426, 1847, 16440, 84558, 910358, 4757427, 51324484, 271866564, 2984245628, 15890235207, 175650675430, 939482925840, 10439882627616, 56035969028768, 625001788261676, 3364621225556746, 37635020888605163 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A222456

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..121

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A027067 A050262 A295208 * A186278 A222963 A257028

Adjacent sequences:  A222450 A222451 A222452 * A222454 A222455 A222456

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 20 2013

STATUS

approved

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Last modified March 26 00:29 EDT 2019. Contains 321479 sequences. (Running on oeis4.)