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A204968 Number of (n+2)X7 0..1 arrays with every 3X3 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
219755, 11064389, 547910909, 26548318278, 1294422106052, 63103000253312, 3075660728764228, 149917008692340855, 7307374345089599577, 356181560686179960227, 17361282472044746608190, 846237255084435072552419 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A204971
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..1..0..1..1....0..0..1..0..0..1..0....0..0..1..0..1..1..0
..0..0..0..1..1..0..0....1..1..1..0..0..1..1....0..0..0..1..0..1..0
..1..0..0..1..0..0..0....0..1..1..0..1..1..1....0..0..1..1..1..1..0
..0..0..0..0..0..0..0....1..1..0..0..0..1..0....1..1..1..1..1..1..1
..1..1..0..0..1..0..0....1..1..1..0..1..0..0....1..1..1..1..1..1..1
CROSSREFS
Sequence in context: A254912 A254905 A257207 * A294014 A234489 A321160
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 21 2012
STATUS
approved

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Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)