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A163028 Number of n X n binary arrays with all 1s connected and a path of 1s from the top row to the bottom row. 3
1, 7, 144, 9362, 2075271, 1642690309, 4741764527414, 50301538415794232, 1966097907322824101263, 283293243539676951470723543, 150432229851691149674511947484546, 294212923045987478712868787193615243838, 2117957004814862762696618942898524645283531305 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Main diagonal of A359574.
Sequence in context: A263599 A217341 A156978 * A367527 A296684 A012826
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 20 2009
EXTENSIONS
Terms a(8) and beyond from Andrew Howroyd, Jan 06 2023
STATUS
approved

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Last modified June 12 13:39 EDT 2024. Contains 373331 sequences. (Running on oeis4.)