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A220405
Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 nX5 array
0
7, 93, 6013, 128448, 2996186, 74035199
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OFFSET
1,1
COMMENTS
Column 5 of
A220406
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for n=3
..0..0..1..0..0....0..0..0..0..1....1..0..1..0..1....0..1..0..1..0
..0..0..1..1..0....0..1..0..0..0....0..0..0..0..0....0..1..0..1..1
..0..0..0..0..0....0..1..0..1..0....1..1..1..0..0....0..1..1..1..0
CROSSREFS
Sequence in context:
A197484
A218835
A219417
*
A109304
A134113
A071584
Adjacent sequences:
A220402
A220403
A220404
*
A220406
A220407
A220408
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 13 2012
STATUS
approved
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Last modified May 28 19:36 EDT 2023. Contains 363019 sequences. (Running on oeis4.)