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A069365
Number of 7 X n binary arrays with a path of adjacent 1's from top row to bottom row.
0
1, 577, 153769, 30856705, 5388274121, 868972410929
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
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:
A154511
A221331
A163042
*
A163053
A097770
A252377
Adjacent sequences:
A069362
A069363
A069364
*
A069366
A069367
A069368
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Mar 22 2002
STATUS
approved
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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)