116680domain: NAppears in sequencesNumbers m with even length such that phi(m)=d_1^d_2*d_3^d_4*...* d_(k-1)^d_k where d_1 d_2 ... d_k is the decimal expansion of m.at n=1A112009Number of arrays of the median of three adjacent elements of some length-6 0..n array.at n=18A228741