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A069382
Number of n X 7 binary arrays with a path of adjacent 1's from top row to bottom row.
1
127, 14197, 1461797, 144769425, 14142942975, 1374273318721, 133267613878665, 12913642307413193, 1251002814214706415, 121180225103268487525, 11738064445690843712709, 1137001292953873957167377, 110135446775389136829629647, 10668293121854243285020490369
OFFSET
1,1
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: A286790 A022189 A121618 * A319366 A221979 A058322
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 22 2002
EXTENSIONS
More terms from Sean A. Irvine, Apr 30 2024
STATUS
approved