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A220934 Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 nX5 array 1
7, 200, 5912, 172904, 4983202, 143495572, 4129000493, 118791182035, 3417440488681, 98313052773312, 2828261800424005, 81363108971612428, 2340643785326878730, 67335342944117783361, 1937094540263542667587 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A220935
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..1..1....0..0..1..0..0....0..1..1..0..0....0..0..0..0..1
..0..0..0..0..1....1..1..1..0..0....1..0..0..0..0....0..1..0..0..1
..0..1..1..1..0....0..0..1..1..0....0..0..0..1..0....0..0..0..1..0
CROSSREFS
Sequence in context: A355088 A057204 A124988 * A221288 A355087 A276537
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 25 2012
STATUS
approved

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)