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A069387
Number of n X 12 binary arrays with a path of adjacent 1's from top row to bottom row.
0
4095, 16245775, 60131384705, 210502738714097, 714097521397778495
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..5.
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:
A321551
A161004
A022194
*
A359085
A069413
A069439
Adjacent sequences:
A069384
A069385
A069386
*
A069388
A069389
A069390
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Mar 22 2002
STATUS
approved
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Last modified April 24 14:09 EDT 2024. Contains 371960 sequences. (Running on oeis4.)