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A283781
Number of nX5 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.
1
0, 113, 5432, 169426, 4588054, 112397437, 2592339953, 57256730323, 1224525471560, 25540531883202, 522115849071140, 10498992098584649, 208231199360625217, 4081922180343300613, 79216407339487867636
OFFSET
1,2
COMMENTS
Column 5 of A283784.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..1..0. .0..0..0..0..1. .0..0..1..0..1. .0..0..1..1..0
..1..1..1..0..1. .1..0..1..0..0. .1..0..1..1..0. .0..1..0..0..0
..1..0..0..1..0. .1..1..1..1..0. .1..1..0..0..0. .0..1..1..0..1
..1..1..0..0..0. .1..0..1..0..1. .1..0..1..0..1. .0..0..1..1..1
CROSSREFS
Cf. A283784.
Sequence in context: A262074 A200854 A012031 * A350054 A250052 A175687
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 16 2017
STATUS
approved