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A222985

Number of n X 7 0..2 arrays with no more than floor(n*7/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

17, 1172, 36987, 4405097, 183010307, 26345532486, 1202086792105, 180821359299832, 8463651301168857, 1290846776123480411, 61103325028133094620, 9391211217321900719984, 447723422606405342204055

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OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..49

EXAMPLE

Some solutions for n=3:

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

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

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

CROSSREFS

Column 7 of A222986.