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A069369
Number of 11 X n binary arrays with a path of adjacent 1's from top row to bottom row.
0
1, 19601, 120070149, 478623939553, 1545323639404349, 4423369428678533705, 11738064445690843712709, 29601436900513534956486417, 72007238386097441302774324845, 170577316159214009818521435822905, 396017759826921556057184566557279157
OFFSET
1,2
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: A319062 A344829 A221333 * A156721 A174760 A115472
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 22 2002
EXTENSIONS
a(6)-a(11) from Sean A. Irvine, Apr 30 2024
STATUS
approved