a(n) = PrimePi(n)^n.

Terms

a(0) =0a(1) =1a(2) =8a(3) =16a(4) =243a(5) =729a(6) =16384a(7) =65536a(8) =262144a(9) =1048576a(10) =48828125a(11) =244140625a(12) =13060694016a(13) =78364164096a(14) =470184984576