Padovan numbers for which the digital root is also a Padovan number.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =7a(7) =9a(8) =12a(9) =16a(10) =21a(11) =28a(12) =37a(13) =49a(14) =65a(15) =86a(16) =151a(17) =200a(18) =265a(19) =351a(20) =616a(21) =1081a(22) =1432a(23) =1897a(24) =2513a(25) =4410a(26) =5842a(27) =10252a(28) =13581a(29) =17991