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A222572 Number of nX7 0..2 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order 0
17, 292, 3999, 212957, 4102865, 278335019, 7240361264, 617491399888, 18298988998017, 1694595769301401, 52003776367692101, 4919456993064095471, 152349901845469645928, 14488875201941399981117, 449914171737778687124896 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A222573

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

Some solutions for n=3

..0..1..1..1..1..1..1....0..1..1..2..2..2..2....0..0..1..0..0..0..0

..1..1..0..1..1..1..1....2..0..2..2..2..2..2....2..0..0..0..0..0..0

..2..1..0..1..1..1..1....0..0..2..2..2..2..2....0..0..2..0..0..0..0

CROSSREFS

Sequence in context: A178765 A041546 A186000 * A163049 A083453 A090437

Adjacent sequences:  A222569 A222570 A222571 * A222573 A222574 A222575

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 25 2013

STATUS

approved

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Last modified September 16 06:21 EDT 2019. Contains 327090 sequences. (Running on oeis4.)