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A163028 Number of n X n 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; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Sequence in context: A263599 A217341 A156978 * A296684 A012826 A232363

Adjacent sequences:  A163025 A163026 A163027 * A163029 A163030 A163031

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 20 2009

STATUS

approved

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Last modified May 28 04:36 EDT 2020. Contains 334671 sequences. (Running on oeis4.)