Lexicographically earliest injective sequence such that a(n) = A007953(a(a(n))), where A007953 = sum of digits (in base 10).

A167152

Lexicographically earliest injective sequence such that a(n) = A007953(a(a(n))), where A007953 = sum of digits (in base 10).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =11a(10) =29a(11) =13a(12) =49a(13) =15a(14) =69a(15) =17a(16) =89a(17) =19a(18) =199a(19) =21a(20) =399a(21) =23a(22) =599a(23) =25a(24) =799a(25) =27a(26) =999a(27) =30a(28) =2999a(29) =3999

External references