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Search: id:A134262
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A134262 Number of n X n binary matrices with every 1 adjacent to another 1 horizontally or vertically. +0
1
1, 10, 250, 22946, 8222576, 11168045764, 57451983566596, 1121231537486377866, 82999668877677132763564, 23304040481827726137141908956, 24817820869161647380317564563160782 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A034222 A108792 A128013 this_sequence A001536 A114450 A095983

Adjacent sequences: A134259 A134260 A134261 this_sequence A134263 A134264 A134265

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Jan 14 2008

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


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