RATS: Reverse Add Then Sort the digits applied to previous term, starting with 20169.

Terms

a(0) =20169a(1) =111267a(2) =337788a(3) =1122255a(4) =4446666a(5) =1111113a(6) =2222244a(7) =4446666a(8) =1111113a(9) =2222244a(10) =4446666a(11) =1111113a(12) =2222244a(13) =4446666a(14) =1111113a(15) =2222244a(16) =4446666a(17) =1111113a(18) =2222244a(19) =4446666a(20) =1111113a(21) =2222244a(22) =4446666a(23) =1111113a(24) =2222244a(25) =4446666a(26) =1111113a(27) =2222244a(28) =4446666