71586domain: NAppears in sequencesa(n) = 81*n^2 - 44*n + 6.at n=30A156676Square root of v(2n)/v(2n-1), where v=A203755.at n=2A203757Number of arrays of median of three adjacent elements of some length 6 0..n array, with no adjacent equal elements in the latter.at n=16A229014