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A293093 Number of 7 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1. 1
0, 1420, 246743, 30064393, 3464680837, 405651046593, 48001754870966, 5741377234777552, 692287714517793203, 84012955651693381631, 10248181988944597335712, 1255426108983775803770706 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 7 of A293087.
LINKS
EXAMPLE
Some solutions for n=2
..0..1. .0..1. .0..0. .0..0. .1..1. .1..1. .1..0. .0..1. .0..0. .0..0
..0..0. .0..0. .1..1. .0..1. .1..0. .1..0. .0..0. .0..0. .1..0. .0..0
..0..1. .1..0. .1..0. .0..0. .0..0. .0..1. .1..0. .1..0. .0..0. .0..1
..1..1. .0..1. .0..1. .1..0. .1..0. .0..0. .0..1. .0..1. .0..1. .0..0
..0..0. .1..0. .0..0. .0..0. .1..0. .1..0. .0..1. .0..1. .0..0. .1..0
..0..1. .1..0. .0..0. .1..1. .0..0. .0..0. .0..0. .1..0. .0..1. .0..0
..0..0. .0..0. .1..0. .0..0. .1..0. .1..1. .1..1. .0..0. .1..0. .0..1
CROSSREFS
Cf. A293087.
Sequence in context: A252107 A252114 A364125 * A337671 A237960 A023937
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 30 2017
STATUS
approved

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Last modified February 29 04:26 EST 2024. Contains 370401 sequences. (Running on oeis4.)