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A297542 Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 3 neighboring 1s. 1
1, 105, 905, 10234, 205888, 3015179, 45293985, 726450667, 11267743659, 174940837668, 2737325839679, 42676467159309, 665276067132323, 10380615509680131, 161909949029518946, 2525266352244161021 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A297544.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..0..0. .1..1..1..0..0..0. .1..1..1..1..0..0. .0..0..0..1..0..0
..0..0..1..0..1..0. .0..1..0..1..1..0. .0..1..0..0..1..1. .0..0..1..0..1..1
..0..0..0..0..1..1. .0..0..1..1..0..0. .1..0..0..0..1..1. .0..1..0..0..1..1
..0..0..1..0..0..1. .0..0..0..0..1..0. .0..1..0..0..0..1. .0..1..1..0..1..1
..0..1..1..1..1..0. .0..0..0..1..1..1. .1..1..1..1..1..0. .0..1..1..0..1..1
CROSSREFS
Cf. A297544.
Sequence in context: A166798 A228303 A033593 * A266105 A058844 A297800
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 31 2017
STATUS
approved

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)