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A069364
Number of 6 X n binary arrays with a path of adjacent 1's from top row to bottom row.
0
1, 239, 29089, 2764991, 232824241, 18287614751, 1374273318721, 100193001007135, 7146486319870849, 501394148790682463, 34728307983514473409, 2380826437768134741023, 161857825276476548906497
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..13.
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: A224373 A278852 A163041 * A163052 A254298 A181855
Adjacent sequences: A069361 A069362 A069363 * A069365 A069366 A069367
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Mar 22 2002
EXTENSIONS
a(9)-a(13) from Sean A. Irvine, Apr 29 2024
STATUS
approved

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Last modified November 7 20:40 EST 2024. Contains 377536 sequences.
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