%I #13 Aug 23 2024 17:33:37
%S 0,16,2304,157058,7664414,317229344,11974298030,427585649578,
%T 14741384488782,496652156206058,16475668543000750,540790107010874580,
%U 17620412998483400934,571161367966749399684,18446500586660704024820,594209705207122247276746
%N Half the number of n X 5 binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
%F a(n) = 2^(5*n-1) - A069380(n) + A069405(n). - _Sean A. Irvine_, Aug 23 2024
%Y 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 nonn,easy
%O 1,2
%A _R. H. Hardin_, Mar 22 2002
%E More terms from _Sean A. Irvine_, Aug 23 2024