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A300970 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
3, 129, 2956, 63565, 1396701, 30679527, 673550354, 14787165263, 324641851765, 7127272856567, 156473999523206, 3435270952316792, 75418833706815251, 1655764729214342795, 36351090355926756961, 798061310736461485021 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A300973.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..1..0..1..0. .0..0..1..1..0. .0..0..1..1..0. .1..0..1..1..1
..1..0..1..0..0. .1..0..0..1..0. .0..1..1..1..1. .1..1..0..1..1
..0..1..0..1..1. .1..1..0..1..0. .1..0..0..1..0. .0..1..0..0..1
..1..0..1..1..1. .0..0..1..1..0. .1..0..0..1..0. .0..0..0..1..1
CROSSREFS
Cf. A300973.
Sequence in context: A108713 A319222 A300543 * A300927 A123047 A097420
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 17 2018
STATUS
approved

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Last modified July 19 04:51 EDT 2024. Contains 374388 sequences. (Running on oeis4.)