

A205751


Number of (n+1)X7 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order


1



11143, 68692, 1320659, 14131118, 233316016, 2917623614, 45262306396, 599332178604, 8912114399864, 121869298507748, 1770968194811994, 24619794382545970, 353501675583395156, 4957479622063690252
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OFFSET

1,1


COMMENTS

Column 6 of A205753


LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210


EXAMPLE

Some solutions for n=4
..0..0..1..2..2..2..1....0..0..1..2..0..0..1....0..1..0..1..1..2..0
..2..0..1..1..2..1..1....0..1..1..2..2..0..1....2..1..2..2..0..2..1
..1..0..2..0..2..0..2....2..2..0..0..1..0..2....1..1..1..2..2..2..1
..2..1..0..1..0..1..0....1..2..2..0..0..0..0....0..2..0..0..1..0..1
..1..1..0..1..0..1..0....1..0..1..1..2..1..2....0..2..2..0..0..0..0


CROSSREFS

Sequence in context: A107650 A291705 A244660 * A205473 A250687 A001727
Adjacent sequences: A205748 A205749 A205750 * A205752 A205753 A205754


KEYWORD

nonn


AUTHOR

R. H. Hardin Jan 30 2012


STATUS

approved



