Seventh powers containing no pair of consecutive equal digits.

Terms

a(0) =0a(1) =1a(2) =128a(3) =2187a(4) =16384a(5) =78125a(6) =823543a(7) =2097152a(8) =4782969a(9) =19487171a(10) =35831808a(11) =62748517a(12) =105413504a(13) =170859375a(14) =268435456a(15) =893871739a(16) =4586471424a(17) =6103515625a(18) =8031810176a(19) =10460353203a(20) =13492928512a(21) =17249876309a(22) =34359738368