Length of the n-th term in the Roman numeral Look and Say sequence A098595.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =3a(5) =6a(6) =9a(7) =8a(8) =10a(9) =15a(10) =24a(11) =23a(12) =29a(13) =36a(14) =49a(15) =54a(16) =62a(17) =75a(18) =92a(19) =105a(20) =115a(21) =138a(22) =161a(23) =180a(24) =202a(25) =231a(26) =268a(27) =297a(28) =331a(29) =376