30822400domain: NAppears in sequencesNumber of (n+1) X (1+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).at n=8A234651Number of 6-cycles in the n-halved cube graph.at n=7A290029