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A297643 Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s. 1
128, 883, 48187, 740555, 24145671, 659362756, 21730243952, 663509235615, 21859378312321, 724165420377581, 24219665849222547, 809099326344802420, 27220764680023740725, 917228208040260033845, 30924465146142596889719 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A297637.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1. .0..0..0. .0..1..1. .0..0..1. .0..0..0. .0..1..0. .0..1..1
..1..0..1. .0..1..1. .0..1..1. .1..0..0. .0..1..0. .0..0..0. .0..1..1
..0..0..1. .0..1..1. .0..1..0. .0..0..0. .1..1..1. .0..1..1. .0..1..1
..1..0..0. .0..0..0. .1..0..0. .0..1..0. .0..1..0. .0..1..1. .0..1..1
..0..0..0. .0..0..1. .1..1..0. .0..0..0. .1..0..0. .0..0..0. .0..0..1
..0..0..0. .1..0..1. .1..1..0. .1..1..1. .1..1..0. .1..1..0. .0..1..1
..0..0..0. .0..0..1. .0..0..0. .0..1..1. .0..1..1. .1..1..0. .0..1..1
CROSSREFS
Cf. A297637.
Sequence in context: A218070 A188151 A372094 * A224043 A188841 A188704
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2018
STATUS
approved

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Last modified July 14 19:52 EDT 2024. Contains 374323 sequences. (Running on oeis4.)