117418domain: NAppears in sequencesa(n) = (n + 1/3)*2^(n-1) - 1/2 + (-1)^(n-1)*(1/6).at n=13A127981Number of (n+1) X (5+1) 0..1 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.at n=16A251125