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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

R. H. Hardin, Table of n, a(n) for n = 1..24

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: A252106 A252107 A252114 * A337671 A237960 A023937

Adjacent sequences:  A293090 A293091 A293092 * A293094 A293095 A293096

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 30 2017

STATUS

approved

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Last modified January 23 11:42 EST 2022. Contains 350512 sequences. (Running on oeis4.)