3659968domain: NAppears in sequencesNumber of n X 2 0..2 arrays with no element equal the average of immediate neighbors vertically above, diagonally above and left, and horizontally left of it.at n=8A208790Number of 0..2 arrays of length n+7 with sum no more than 8 in any length 8 subsequence (=50% duty cycle).at n=7A212228