Smallest seventh power that begins with n.

Terms

a(0) =0a(1) =1a(2) =2187a(3) =35831808a(4) =4782969a(5) =52523350144a(6) =62748517a(7) =78125a(8) =823543a(9) =94931877133a(10) =10000000a(11) =114415582592a(12) =128a(13) =13492928512a(16) =16384a(17) =170859375a(18) =1801088541a(19) =19487171a(20) =2097152a(21) =2187