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A297976 Number of nX6 0..1 arrays with every element equal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1
0, 41, 501, 7302, 242401, 5902043, 160132152, 4278426570, 114579985316, 3078417275234, 82613395464242, 2218732121018357, 59580905323296527, 1600059673902940527, 42970519994379100116, 1153998005366236164440 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A297978.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1..1..1. .0..1..1..0..0..0. .0..0..0..0..1..1. .0..0..1..1..0..0
..0..0..1..0..0..1. .0..0..1..0..0..1. .0..1..0..1..1..0. .1..0..1..1..0..0
..1..0..1..0..0..1. .0..1..0..0..1..1. .1..1..0..1..0..0. .1..1..0..1..1..0
..1..1..1..0..1..1. .1..1..1..0..1..1. .1..1..0..0..0..0. .1..0..0..1..0..0
CROSSREFS
Cf. A297978.
Sequence in context: A269073 A086949 A177504 * A208048 A298839 A301399
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 10 2018
STATUS
approved

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Last modified May 29 03:48 EDT 2024. Contains 372921 sequences. (Running on oeis4.)