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A303426 Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
64, 8192, 976132, 116529645, 13965759339, 1673515027797, 200493397340704, 24020147098755633, 2877772423900833546, 344775872442750250950, 41306367066392211719403, 4948768734344656216522215 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A303421.
LINKS
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..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..1..0. .0..0..1..1..0. .0..0..1..1..0. .0..0..1..1..0
..0..0..0..1..1. .0..0..0..1..0. .0..0..0..1..0. .0..0..0..0..1
..0..1..1..0..0. .1..0..1..1..1. .0..1..1..1..1. .1..1..0..0..0
..0..1..1..1..1. .1..0..1..0..1. .0..1..1..1..0. .1..1..1..1..1
..0..0..1..0..0. .0..1..1..0..1. .1..1..1..0..1. .0..1..1..1..0
CROSSREFS
Cf. A303421.
Sequence in context: A300207 A303420 A301406 * A317516 A300181 A183499
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 23 2018
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)