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A163728 Number of nX7 binary arrays with all 1s connected, a path of 1s from left column to right column, and no 1 having more than two 1s adjacent 0
1, 68, 1080, 12865, 132342, 1122855, 8379953 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A166398 A200876 A039507 * A168179 A017784 A035729

Adjacent sequences:  A163725 A163726 A163727 * A163729 A163730 A163731

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Aug 03 2009

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Last modified February 15 04:23 EST 2012. Contains 205694 sequences.