Lucky numbers that are decimal concatenations of n with n + 6.

Terms

a(0) =511a(1) =1117a(2) =1723a(3) =2127a(4) =3339a(5) =4551a(6) =5157a(7) =5763a(8) =5965a(9) =6369a(10) =8793a(11) =8995a(12) =9399a(13) =107113a(14) =117123a(15) =129135a(16) =137143a(17) =153159a(18) =179185a(19) =183189a(20) =191197a(21) =197203a(22) =207213a(23) =219225a(24) =225231a(25) =227233a(26) =245251a(27) =255261a(28) =263269a(29) =269275