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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A069445 Half the number of n X 7 binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.

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%I A069445 #9 Apr 07 2021 18:42:00
%S A069445 64,63168,22886754,5267756806
%N A069445 Half the number of n X 7 binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
%Y A069445 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.
%K A069445 nonn
%O A069445 2,1
%A A069445 _R. H. Hardin_, Mar 22 2002

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