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A146674 Number of n X n binary arrays with all ones connected only in a 1100-0111-1100 pattern in any orientation. +0
1
1, 1, 1, 9, 25, 93, 633, 8913, 136370, 2447483, 66801664, 2869431585, 170625522480, 13470400903777 (list; graph; listen)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.1.1.0.0.0.1.0.1

.0.1.1.1.0.1.1.1

.1.1.0.0.0.0.1.0

.0.0.0.0.0.0.1.0

.0.0.0.0.0.0.0.0

.1.1.0.0.1.1.0.0

.0.1.1.1.0.1.1.1

.1.1.0.0.1.1.0.0

CROSSREFS

Sequence in context: A147332 A147460 A147475 this_sequence A083672 A083100 A084058

Adjacent sequences: A146671 A146672 A146673 this_sequence A146675 A146676 A146677

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Nov 04 2008

page 1

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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