212000domain: NAppears in sequencesn written in fractional base 3/2.at n=27A024629Number of -n..n arrays x(0..3) of 4 elements with zero sum and no two neighbors equal.at n=33A199706Composites whose prime factorization in base 7 is an anagram of the number in base 7.at n=18A260051Powers of 3 in base 3/2.at n=3A305658