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A140337 Half the number of n X n binary matrices differening in at most two positions between adjacent rows and at most two positions between adjacent columns. +0
1
1, 8, 161, 3771, 65536, 968434, 13398995, 190804729, 2840301338 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A036909 A052140 A064755 this_sequence A065116 A061250 A061711

Adjacent sequences: A140334 A140335 A140336 this_sequence A140338 A140339 A140340

KEYWORD

nonn

AUTHOR

Ron Hardin (rhh(AT)cadence.com), May 28 2008

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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