a(n)^8 is smallest eighth power beginning with n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =9a(5) =7a(6) =3a(7) =23a(8) =13a(9) =42a(10) =10a(11) =18a(12) =58a(13) =78a(14) =14a(15) =25a(16) =6a(17) =34a(18) =81a(19) =61a(20) =26a(21) =11a(22) =35a(23) =47a(24) =63a(25) =2a(26) =113a(27) =85a(28) =27a(29) =86