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A295049 Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0 or 2 1s. 1
21, 299, 3879, 52199, 700972, 9388654, 125887202, 1687776548, 22627774940, 303374187415, 4067381827553, 54531991863699, 731118983022104, 9802227619735676, 131420017672187029, 1761969037670761907 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A295051.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..0. .1..0..0..0..1..0. .1..1..0..0..1..0. .1..0..1..0..0..1
..0..1..0..1..0..1. .0..0..0..1..0..0. .1..1..0..1..0..1. .0..0..0..0..1..0
..0..0..1..0..0..0. .0..0..0..0..0..0. .0..0..0..0..1..0. .1..0..0..0..0..0
..0..0..0..0..0..0. .1..0..0..0..1..0. .1..0..0..0..0..0. .0..1..0..0..1..0
CROSSREFS
Cf. A295051.
Sequence in context: A021829 A019943 A021634 * A295377 A021604 A025935
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2017
STATUS
approved

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)