793170domain: NAppears in sequencesa(n) = n^4 - (n-1)^4 + (n-2)^4 - ... 0^4.at n=35A062392Doubly hexagonal numbers.at n=18A063249Numbers that divide the sum of the reverse of their divisors (A069192).at n=16A254008Number of unordered pairs of distinct strict integer partitions of n.at n=41A366132