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A163028 Number of nXn binary arrays with all 1s connected and a path of 1s from top row to bottom row 0
1, 7, 144, 9362, 2075271, 1642690309, 4741764527414 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A082157 A104240 A156978 * A012826 A102059 A064624

Adjacent sequences:  A163025 A163026 A163027 * A163029 A163030 A163031

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Jul 20 2009

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Last modified February 17 09:41 EST 2012. Contains 206009 sequences.