Initial digit of cubes.

Terms

a(0) =0a(1) =1a(2) =8a(3) =2a(4) =6a(5) =1a(6) =2a(7) =3a(8) =5a(9) =7a(10) =1a(11) =1a(12) =1a(13) =2a(14) =2a(15) =3a(16) =4a(17) =4a(18) =5a(19) =6a(20) =8a(21) =9a(22) =1a(23) =1a(24) =1a(25) =1a(26) =1a(27) =1a(28) =2a(29) =2