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A204967 Number of (n+2) X 6 0..1 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..1 introduced in row major order. 1
36522, 1085013, 31837899, 916967622, 26548318278, 768548149208, 22245382735903, 643910842041150, 18638431361258012, 539502218649996908, 15616268658553505055, 452023741831342310802, 13084141546692160795551 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A204971.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..0..1..0....0..0..0..0..0..1....0..0..1..1..1..1....0..0..1..1..0..0
..1..1..0..0..0..0....1..0..1..0..1..1....0..0..1..0..0..1....1..0..1..0..0..1
..1..1..1..0..0..1....1..1..1..1..1..1....1..1..1..0..1..1....0..0..0..0..0..1
..0..1..1..1..1..0....0..1..1..0..1..0....1..1..1..1..1..1....0..0..0..1..0..0
..1..0..1..1..1..1....0..1..1..1..1..0....0..1..0..0..1..0....1..1..1..1..0..0
CROSSREFS
Cf. A204971.
Sequence in context: A234858 A234856 A222952 * A011771 A011770 A250540
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 21 2012
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)