Conjectured number of digits in highest power of n with no four consecutive identical digits.

Terms

a(0) =10797a(1) =9347a(2) =10797a(3) =9858a(4) =7550a(5) =8503a(6) =8031a(7) =9347a(8) =4a(9) =7175a(10) =8708a(11) =9739a(12) =7391a(13) =7707a(14) =10797a(15) =5653a(16) =8536a(17) =8530a(18) =4a(19) =6438a(20) =6795a(21) =7674a(22) =8283a(23) =5290a(24) =9127a(25) =9347a(26) =6702a(27) =7210a(28) =5a(29) =7125