Reverse of k concatenated with k, divided by k, where k = A083970(n).

Terms

a(0) =11a(1) =11a(2) =11a(3) =11a(4) =11a(5) =11a(6) =11a(7) =11a(8) =11a(9) =11a(10) =101a(11) =176a(12) =341a(13) =451a(14) =11a(15) =101a(16) =176a(17) =209a(18) =11a(19) =101a(20) =176a(21) =11a(22) =101a(23) =121a(24) =176a(25) =11a(26) =101a(27) =11a(28) =101a(29) =11