Iterated sum of digits of n is a Fibonacci number.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =10a(6) =11a(7) =12a(8) =14a(9) =17a(10) =19a(11) =20a(12) =21a(13) =23a(14) =26a(15) =28a(16) =29a(17) =30a(18) =32a(19) =35a(20) =37a(21) =38a(22) =39a(23) =41a(24) =44a(25) =46a(26) =47a(27) =48a(28) =50a(29) =53