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A297587 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 4 neighboring 1s. 1
1, 85, 1243, 4428, 31171, 395011, 3355439, 21941552, 181405030, 1636558715, 13131349357, 101903293904, 842245479173, 7011923308367, 56621895312007, 457025771024489, 3744870543676752, 30634057145033024, 248841614953642550 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 6 of A297582.
LINKS
FORMULA
Empirical recurrence of order 94 (see link above)
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..0..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..0..1..1..0
..0..0..0..1..0. .0..0..0..0..1. .1..1..0..0..0. .0..0..0..0..0
..1..0..0..0..1. .1..0..1..0..0. .0..0..0..0..0. .0..0..0..1..1
..0..1..1..0..0. .1..1..0..0..0. .0..1..0..1..1. .1..0..0..0..0
..1..0..1..0..0. .1..0..0..1..1. .1..0..0..0..0. .0..1..0..0..0
CROSSREFS
Cf. A297582.
Sequence in context: A183643 A206163 A020239 * A189439 A166917 A206377
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2018
STATUS
approved

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Last modified June 22 23:47 EDT 2024. Contains 373629 sequences. (Running on oeis4.)