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Search: id:A069405
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A069405 Half the number of n X 5 binary arrays with a path of adjacent 1's and a path of adjacent 0's from top row to bottom row. +0
1
15, 285, 4541, 66579, 944157, 13182673, 182702967, 2522968803, 34777826197 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. 1 X n A000225, 2 X n A016269, 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: A034687 A060542 A095654 this_sequence A125055 A144349 A009064

Adjacent sequences: A069402 A069403 A069404 this_sequence A069406 A069407 A069408

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Mar 22 2002.

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.


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