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A298327 Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero. 1
1, 864, 4503, 73321, 1664958, 41029614, 1019874462, 25083063173, 624245464335, 15598034954101, 388988964596716, 9711122438159184, 242494107685504393, 6055035893918431953, 151200414910757899090, 3775675375730086694210 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A298328.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0..1..0..0. .0..0..1..1..0..0..0. .0..1..1..1..0..0..1
..0..1..1..1..1..1..0. .0..0..0..1..1..0..0. .1..1..0..0..1..0..0
..1..1..0..0..0..1..1. .0..1..0..1..0..1..0. .0..0..1..0..1..0..1
..1..1..1..0..1..1..1. .1..1..1..0..1..1..1. .0..0..1..1..0..1..1
CROSSREFS
Cf. A298328.
Sequence in context: A297914 A298507 A097982 * A299220 A300034 A064321
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2018
STATUS
approved

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Last modified May 23 22:02 EDT 2024. Contains 372765 sequences. (Running on oeis4.)