A069381 - OEIS

%I #14 Apr 30 2024 16:29:13

%S 63,3367,167337,8057905,384479935,18287614751,868972410929,

%T 41278350729313,1960665141991079,93127506982471999,

%U 4423369428678533705,210101996822111263265,9979493366382754619551,474010149850018604630031,22514756623847166766088601

%N Number of n X 6 binary arrays with a path of adjacent 1's from top row to bottom row.

%H Sean A. Irvine, <a href="/A069381/b069381.txt">Table of n, a(n) for n = 1..200</a>

%Y 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 nonn

%O 1,1

%A _R. H. Hardin_, Mar 22 2002

%E More terms from _Sean A. Irvine_, Apr 30 2024