Search: id:A069407
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%I A069407
%S A069407 63,6069,476389,33438451,2230830597
%N A069407 Half the number of n X 7 binary arrays with a path of adjacent 1's and 
               a path of adjacent 0's from top row to bottom row.
%Y A069407 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.
%Y A069407 Sequence in context: A132051 A069381 A051589 this_sequence A046190 A093263 
               A069433
%Y A069407 Adjacent sequences: A069404 A069405 A069406 this_sequence A069408 A069409 
               A069410
%K A069407 nonn
%O A069407 1,1
%A A069407 Ron Hardin (rhhardin(AT)att.net), Mar 22 2002.

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