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A178926 T(n,k)=Log base 2 of the number of nXk binary arrays with no element equal to the modulo 2 sum of its diagonal and antidiagonal neighbors 1
0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 4, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 4, 2, 0, 0, 2, 4, 0, 2, 0, 0, 0, 0, 0, 0, 6, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Table starts

.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

.0.2.0.0.2.0.0.2.0.0.2.0..0.2.0.0..2.0..0.2.0.0.2.0.0.2.0.0.2.0.0.2.0.0.2.0.0.2

.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

.0.0.0.4.0.0.0.0.4.0.0.0..0.4.0.0..0.0..4.0.0.0.0.4.0.0.0.0.4.0.0.0.0.4.0.0.0

.0.2.0.0.4.0.0.2.0.0.4.0..0.2.0.0..4.0..0.2.0.0.4.0.0.2.0.0.4.0.0.2.0.0.4.0

.0.0.0.0.0.0.0.6.0.0.0.0..0.0.0.0..6.0..0.0.0.0.0.0.0.6.0.0.0.0.0.0.0.0.6

.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

.0.2.0.0.2.6.0.2.0.0.2.0..6.2.0.0..2.0..0.8.0.0.2.0.0.2.6.0.2.0.0.2.0

.0.0.0.4.0.0.0.0.8.0.0.0..0.4.0.0..0.0..8.0.0.0.0.4.0.0.0.0.8.0.0.0

.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

.0.2.0.0.4.0.0.2.0.0.8.0..0.2.0.0..4.0..0.2.0.0.8.0.0.2.0.0.4.0

.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

.0.0.0.0.0.0.0.6.0.0.0.0..0.0.0.0.12.0..0.0.0.0.0.0.0.6.0.0

.0.2.0.4.2.0.0.2.4.0.2.0..0.6.0.8..2.0..4.2.0.0.2.4.0.2.0

.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..0.8.0.8..0.0..0.0.0.0.0.0.0

.0.2.0.0.4.6.0.2.0.0.4.0.12.2.0.0..4.0..0.8.0.0.4.0

.0.0.0.0.0.0.0.0.0.0.0.0..0.0.0.0..0.0..0.0.0.0

.0.0.0.4.0.0.0.0.8.0.0.0..0.4.0.0..0.0.16.0.0

.0.2.0.0.2.0.0.8.0.0.2.0..0.2.0.0..8.0..0.2

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..797

EXAMPLE

All solutions for 5X5

..1..0..0..0..0....1..1..0..1..0....1..1..1..1..1....0..1..0..0..1

..0..0..1..1..0....1..0..1..1..1....1..0..1..0..1....0..1..0..0..1

..1..1..1..1..1....1..1..1..1..1....0..1..1..1..0....1..0..1..0..1

..0..0..1..1..0....1..0..1..1..1....1..1..1..1..1....1..1..0..0..0

..1..0..0..0..0....1..1..0..1..0....0..1..1..1..0....0..0..0..1..1

...

..1..1..1..0..1....1..1..0..0..0....0..0..0..1..1....1..0..0..1..0

..0..0..0..0..1....0..0..0..1..1....1..1..0..0..0....1..0..0..1..0

..0..0..1..0..0....1..0..1..0..1....1..0..1..0..1....1..0..1..0..1

..1..1..0..1..0....1..0..0..1..0....0..1..0..0..1....0..0..0..1..1

..0..0..1..1..0....1..0..0..1..0....0..1..0..0..1....1..1..0..0..0

...

..1..0..1..1..1....0..1..1..0..0....0..0..1..1..0....1..0..1..0..1

..1..0..0..0..0....0..1..0..1..1....1..1..0..1..0....0..0..1..0..0

..0..0..1..0..0....0..0..1..0..0....0..0..1..0..0....0..1..1..1..0

..0..1..0..1..1....1..0..0..0..0....0..0..0..0..1....0..1..1..1..0

..0..1..1..0..0....1..0..1..1..1....1..1..1..0..1....0..0..1..0..0

...

..0..1..0..1..1....0..0..0..0..1....0..1..1..1..0....0..0..1..0..0

..1..1..1..0..1....0..1..1..0..0....1..1..1..1..1....0..1..1..1..0

..1..1..1..1..1....1..1..1..1..1....0..1..1..1..0....0..1..1..1..0

..1..1..1..0..1....0..1..1..0..0....1..0..1..0..1....0..0..1..0..0

..0..1..0..1..1....0..0..0..0..1....1..1..1..1..1....1..0..1..0..1

All solutions for 6X6

..0..0..1..1..0..0

..0..1..1..1..1..0

..1..1..0..0..1..1

..1..1..0..0..1..1

..0..1..1..1..1..0

..0..0..1..1..0..0

All solutions for 7X7

..1..1..0..1..0..1..1

..1..0..1..1..1..0..1

..0..1..0..1..0..1..0

..1..1..1..1..1..1..1

..0..1..0..1..0..1..0

..1..0..1..1..1..0..1

..1..1..0..1..0..1..1

CROSSREFS

Sequence in context: A051584 A028645 A028710 * A028637 A070208 A028629

Adjacent sequences:  A178923 A178924 A178925 * A178927 A178928 A178929

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 04 2011

STATUS

approved

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Last modified April 9 12:51 EDT 2020. Contains 333352 sequences. (Running on oeis4.)