9th-power analog of Keith numbers.

Terms

a(0) =1a(1) =54a(2) =71a(3) =81a(4) =196a(5) =424a(6) =451a(7) =2394a(8) =9057a(9) =51737a(10) =52141a(11) =104439a(12) =227914a(13) =228088a(14) =1019555a(15) =1096369a(16) =1202713a(17) =1687563a(18) =1954556a(19) =3332130a(20) =3652731a(21) =4177592a(22) =31669012a(23) =79937731a(24) =81478913a(25) =148341053a(26) =168763202a(27) =182573136a(28) =342393476a(29) =773367191