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.
%I A069368 #15 Apr 30 2024 01:50:56 %S A069368 1,8119,22713981,42887577455,66776768695477,93127506982471999, %T A069368 121180225103268487525,150495460332124702700743, %U A069368 180827014727915133583355805,212041997127527144580159558415,244072929303780515911965529991989,276889755885138056467643815501003447 %N A069368 Number of 10 X n binary arrays with a path of adjacent 1's from top row to bottom row. %Y A069368 Cf. 1 X n A000225, 2 X n A005061, n X 2 A001333, 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 A069368 nonn %O A069368 1,2 %A A069368 _R. H. Hardin_, Mar 22 2002 %E A069368 a(6)-a(12) from _Sean A. Irvine_, Apr 29 2024