Number of n-digit 6th powers.

Terms

a(0) =2a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =5a(7) =7a(8) =10a(9) =15a(10) =22a(11) =31a(12) =47a(13) =69a(14) =101a(15) =148a(16) =217a(17) =318a(18) =468a(19) =687a(20) =1008a(21) =1479a(22) =2171a(23) =3187a(24) =4678a(25) =6867a(26) =10078a(27) =14793a(28) =21714a(29) =31870