Sum of digits of n-th term in Look and Say sequence A005150.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =10a(6) =13a(7) =16a(8) =23a(9) =32a(10) =44a(11) =56a(12) =76a(13) =102a(14) =132a(15) =174a(16) =227a(17) =296a(18) =383a(19) =505a(20) =679a(21) =892a(22) =1151a(23) =1516a(24) =1988a(25) =2602a(26) =3400a(27) =4410a(28) =5759a(29) =7519