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A220804
Sum of neighbor maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and vertical neighbors in a random 0..3 nX5 array
0
24, 928, 30766, 1048576, 33358976, 1073741824, 34348186888, 1099436130304
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OFFSET
1,1
COMMENTS
Column 5 of
A220805
LINKS
Table of n, a(n) for n=1..8.
EXAMPLE
Some solutions for n=3
..1..1..1..1..1....0..0..1..1..0....0..0..1..0..1....0..1..0..0..0
..0..0..1..1..1....0..0..0..1..1....0..0..1..1..0....1..0..1..0..1
..0..1..1..0..0....1..1..0..1..0....0..1..0..0..0....1..0..0..0..1
CROSSREFS
Sequence in context:
A359644
A001784
A172206
*
A220253
A262583
A001866
Adjacent sequences:
A220801
A220802
A220803
*
A220805
A220806
A220807
KEYWORD
nonn
AUTHOR
R. H. Hardin
Dec 21 2012
STATUS
approved
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Last modified April 24 12:31 EDT 2024. Contains 371937 sequences. (Running on oeis4.)