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A283491 Number of nX5 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element. 1
0, 64, 5444, 174232, 5691512, 173139952, 5074155320, 145077026768, 4069261870596, 112485250259704, 3073424415348520, 83183242000043764, 2233748055467946708, 59587068467857424788, 1580547096897194487156 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A283494.
LINKS
FORMULA
Empirical recurrence of order 74 (see link above)
EXAMPLE
Some solutions for n=4
..1..1..0..0..0. .1..0..1..0..0. .1..1..0..1..0. .1..1..0..0..1
..0..0..0..1..1. .1..0..0..0..0. .0..0..0..1..0. .1..0..1..1..1
..1..1..1..0..1. .0..0..0..1..1. .1..1..1..0..0. .1..0..0..1..0
..0..1..1..1..1. .1..1..1..1..1. .1..1..0..1..0. .1..1..1..0..0
CROSSREFS
Cf. A283494.
Sequence in context: A303468 A220578 A067821 * A300471 A326104 A300810
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 08 2017
STATUS
approved

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Last modified March 29 11:45 EDT 2024. Contains 371278 sequences. (Running on oeis4.)