50672domain: NAppears in sequencesn^4 + n-th prime.at n=14A089621a(n) = n^3 plus sum of digits of n^3.at n=36A123135a(n) = the multiple of n which is > (sum{k=1 to n-1} a(k)) and is <= (n + sum{k=1 to n-1} a(k)).at n=15A128020