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A220578
Equals one maps: number of nX7 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX7 array
0
64, 5240, 436288, 33180533, 2449921734, 178051989526, 12835487766480
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OFFSET
1,1
COMMENTS
Column 7 of
A220579
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..1..0....0..0..0..1..0..0..1....0..0..1..0..0..1..0
..0..1..0..0..1..0..1....0..0..1..1..0..1..1....0..1..0..1..0..0..1
..1..1..1..0..1..0..0....1..1..1..0..1..0..0....1..0..1..0..0..0..0
CROSSREFS
Sequence in context:
A302964
A302807
A303468
*
A067821
A283491
A300471
Adjacent sequences:
A220575
A220576
A220577
*
A220579
A220580
A220581
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 16 2012
STATUS
approved
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Last modified August 22 12:25 EDT 2024. Contains 375369 sequences. (Running on oeis4.)