Search: id:A069420
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%I A069420
%S A069420 1,237,28159,2575297,206458895
%N A069420 Number of 6 X n binary arrays with a path of adjacent 1's and no path 
               of adjacent 0's from top row to bottom row.
%Y A069420 Cf. 2 X n A001047, n X 2 A034182, 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 A069420 Sequence in context: A005391 A036270 A048454 this_sequence A129124 A124169 
               A122266
%Y A069420 Adjacent sequences: A069417 A069418 A069419 this_sequence A069421 A069422 
               A069423
%K A069420 nonn
%O A069420 1,2
%A A069420 Ron Hardin (rhhardin(AT)att.net), Mar 22 2002.

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