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A069376 Number of 18 X n binary arrays with a path of adjacent 1's from top row to bottom row. 0
1, 9369319, 13849295944501, 10318980754919691695, 5492742925983606246158973, 2412721380632681627952855331063, 939235577245516358772982740906048485, 337126657379092371139889358274385473404871, 114267130121924306158303467152135299942675610461 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.
Sequence in context: A234395 A204510 A328207 * A281570 A274042 A066703
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 22 2002
EXTENSIONS
a(5)-a(9) from Sean A. Irvine, Apr 30 2024
STATUS
approved

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Last modified June 8 22:55 EDT 2024. Contains 373227 sequences. (Running on oeis4.)