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Search: id:A069433
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%I A069433
%S A069433 63,7616,896026,103948054,11974298030,1374566625956
%N A069433 Half the number of 7 X n binary arrays with no path of adjacent 1's or 
               adjacent 0's from top row to bottom row.
%Y A069433 Cf. 2 X n A000079, n X 1 A000225, 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.
%Y A069433 Sequence in context: A069407 A046190 A093263 this_sequence A062208 A132594 
               A001238
%Y A069433 Adjacent sequences: A069430 A069431 A069432 this_sequence A069434 A069435 
               A069436
%K A069433 nonn
%O A069433 1,1
%A A069433 Ron Hardin (rhhardin(AT)att.net), Mar 22 2002.

    
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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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