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A163033 Number of n X 7 binary arrays with all 1s connected and a path of 1s from top row to bottom row. 3
28, 1608, 143342, 11457514, 866126030, 64270256276, 4741764527414, 349218174915782, 25705066468491048, 1891784307926020004, 139221054649194353330, 10245491277444041078478, 753978851322477798813560, 55486218768479949691575070, 4083297106688472106576343018 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
For a formula see the Goodman-Strauss links. - N. J. A. Sloane, May 22 2020
CROSSREFS
Column 7 of A359574.
Sequence in context: A042515 A042512 A285029 * A060335 A335371 A335370
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 20 2009
EXTENSIONS
Terms a(9) and beyond from Andrew Howroyd, Jan 06 2023
STATUS
approved

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Last modified March 4 10:26 EST 2024. Contains 370528 sequences. (Running on oeis4.)