1957953138domain: NAppears in sequencesT(n,k)=Number of 0..3 arrays of length n+2*k-1 with sum less than 3*k in any length 2k subsequence (=less than 50% duty cycle).at n=28A213464Number of 0..3 arrays of length 2*n with sum less than 3*n in any length 2n subsequence (=less than 50% duty cycle).at n=7A213465