182807domain: NAppears in sequencesa(n) is the least k > 0 such that k and 3k are anagrams in base n (written in base 10).at n=28A023095a(n) = 4*n^3 - 3*n^2 + 2*n - 1.at n=35A131464p-INVERT of the lower Wythoff sequence (A000201), where p(S) = 1 - S - S^2.at n=9A289925