8th-power analog of Keith numbers.

Terms

a(0) =1a(1) =30a(2) =46a(3) =54a(4) =63a(5) =207a(6) =394a(7) =693a(8) =694a(9) =718a(10) =20196a(11) =42664a(12) =80051a(13) =90135a(14) =91447a(15) =93136a(16) =207846a(17) =324121a(18) =361401a(19) =421609a(20) =797607a(21) =802702a(22) =882227a(23) =1531788a(24) =1788757a(25) =1789643a(26) =4028916a(27) =4176711a(28) =6692664a(29) =15643794