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Search: id:A163721
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A163721 Number of nX9 binary arrays with all 1s connected, a path of 1s from top row to bottom row, and no 1 having more than two 1s adjacent +0
1
45, 1059, 14839, 204461, 2938865 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A162183 A162418 A010997 this_sequence A140346 A049447 A143400

Adjacent sequences: A163718 A163719 A163720 this_sequence A163722 A163723 A163724

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Aug 03 2009

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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