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Search: id:A147051
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A147051 Number of n X n binary arrays with all ones connected only in a 0100-1101-0111 pattern in any orientation. +0
1
1, 1, 1, 17, 49, 237, 3143, 61525, 1581763, 52804881, 3069718147, 283686428107, 37198650400311 (list; graph; listen)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.0.1.1.1.0.0.0.0

.1.1.0.1.0.0.1.1

.0.1.0.0.0.0.0.1

.0.0.0.0.0.1.1.1

.0.1.0.0.0.0.1.0

.1.1.1.0.0.1.0.0

.1.0.0.0.1.1.0.1

.1.1.0.0.0.1.1.1

CROSSREFS

Sequence in context: A147201 A146775 A147217 this_sequence A146855 A146666 A146730

Adjacent sequences: A147048 A147049 A147050 this_sequence A147052 A147053 A147054

KEYWORD

nonn

AUTHOR

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

page 1

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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