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A223125 Number of nX7 0..2 arrays with no more than floor(nX7/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order 1
168, 212771, 186184618, 288571160526, 266413907612919, 431398785877769642, 408653905036011361072, 676042978091871167227096, 650052595352039506901487013, 1088984293616040434966698723941 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A223126

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..28

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A146200 A159394 A008699 * A003797 A297048 A003929

Adjacent sequences:  A223122 A223123 A223124 * A223126 A223127 A223128

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 15 2013

STATUS

approved

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Last modified October 17 18:58 EDT 2019. Contains 328127 sequences. (Running on oeis4.)