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A222455 Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
5, 64, 467, 8483, 84558, 1752892, 17977932, 398308251, 4297235804, 98149697258, 1083889273467, 25078137790680, 280275184599151, 6532746120961558, 73535195746145607, 1722280102006903545, 19480494007933810209 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A222456

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..41

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A193875 A193184 A180787 * A351855 A178295 A054937

Adjacent sequences: A222452 A222453 A222454 * A222456 A222457 A222458

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 20 2013

STATUS

approved

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Last modified December 1 01:13 EST 2022. Contains 358453 sequences. (Running on oeis4.)