1394144domain: NAppears in sequencesNumber of length-5 0..n arrays with no repeated value differing from the previous repeated value by other than one.at n=15A269539Expansion of (1-x-x^2)^2*(1+x-x^2)^2/((1-3*x+x^2)*(1-x)^2*(1+x)^4).at n=16A324483