Prime factorization of n encoded with the run lengths of binary expansion + 1.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =5a(6) =11a(7) =8a(8) =7a(9) =12a(10) =22a(11) =9a(12) =43a(13) =21a(14) =10a(15) =16a(16) =86a(17) =13a(18) =171a(19) =24a(20) =23a(21) =44a(22) =342a(23) =17a(24) =14a(25) =85a(26) =15a(27) =41a(28) =683a(29) =20