489808domain: 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=41A023095a(n) is the square of the side length of a simplex whose n-dimensional inner hypervolume is equal to its (n-1)-dimensional surface hypervolume. As a result, the sequence starts at n=2.at n=20A364922