(Sum of digits of n)^n.

Terms

a(0) =1a(1) =4a(2) =27a(3) =256a(4) =3125a(5) =46656a(6) =823543a(7) =16777216a(8) =387420489a(9) =1a(10) =2048a(11) =531441a(12) =67108864a(13) =6103515625a(14) =470184984576