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A269088
Number of nX7 binary arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once.
1
72, 1127, 18590, 268289, 3761534, 50865307, 673690710, 8768989835, 112658396453, 1431998499913, 18044145807959, 225714076389625, 2806025783464923, 34698719581599414, 427098528675334433, 5235801241750340793
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OFFSET
1,1
COMMENTS
Column 7 of
A269089
.
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
R. H. Hardin,
Empirical recurrence of order 68
FORMULA
Empirical recurrence of order 68 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..0..0..1..0..0. .1..0..0..0..0..1..0. .0..1..0..1..0..0..0
..0..0..0..0..0..1..1. .0..0..0..0..0..0..0. .0..0..1..0..1..0..0
..0..0..0..0..0..0..0. .1..0..0..0..1..0..0. .0..0..0..0..0..1..0
CROSSREFS
Cf.
A269089
.
Sequence in context:
A022148
A192847
A064567
*
A168194
A249713
A269074
Adjacent sequences:
A269085
A269086
A269087
*
A269089
A269090
A269091
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Feb 19 2016
STATUS
approved
