32530domain: NAppears in sequencesa(n) = n^(n+2) mod (n+1)^(n+1).at n=6A064232Number of cells in a regular 7-gon after n generations of mitosis.at n=30A349808Number of powerful numbers that are not powers of primes (i.e. are in A286708) that do not exceed 2^n.at n=28A380431a(n) = A005117(A390138(n) + 1).at n=19A390241