a(n) is the length of the decimal expansion of A330192(n)^A330192(n).

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =5a(7) =6a(8) =8a(9) =9a(10) =11a(11) =55a(12) =77a(13) =88a(14) =444a(15) =555a(16) =666a(17) =888a(18) =999a(19) =1111a(20) =4444a(21) =5555a(22) =6666a(23) =9999a(24) =11111a(25) =55555a(26) =99999a(27) =333333a(28) =444444a(29) =666666