1908601444domain: NAppears in sequencesNumber of 0..3 arrays of length n+13 with sum no more than 21 in any length 14 subsequence (=50% duty cycle).at n=2A212470Number of 0..3 arrays of length 2*n+2 with sum no more than 3*n in any length 2n subsequence (=50% duty cycle).at n=6A212474