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Search: id:A146594
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A146594 Number of n X n binary arrays with all ones connected only in a 1000-1000-1111 pattern in any orientation. +0
1
1, 1, 1, 17, 77, 549, 6061, 126381, 3867721, 164716773, 10591661407, 1060530627501 (list; graph; listen)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.1.1.1.1.0.1.1.1

.1.0.0.0.0.0.0.1

.1.0.0.0.0.0.0.1

.0.0.0.0.0.1.0.1

.1.0.0.0.0.1.0.0

.1.0.1.1.1.1.0.1

.1.0.0.0.0.0.0.1

.1.1.1.0.1.1.1.1

CROSSREFS

Sequence in context: A154419 A097223 A063494 this_sequence A124898 A036429 A126404

Adjacent sequences: A146591 A146592 A146593 this_sequence A146595 A146596 A146597

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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