cp's OEIS Frontend

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.

A069421 Number of 7 X n binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row.

This page as a plain text file.
%I A069421 #8 Apr 07 2021 18:55:49
%S A069421 1,575,151331,29682643
%N A069421 Number of 7 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 A069421 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.
%K A069421 nonn
%O A069421 1,2
%A A069421 _R. H. Hardin_, Mar 22 2002

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.