Essentially the same as A055500.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =17a(6) =23a(7) =37a(8) =59a(9) =89a(10) =139a(11) =227a(12) =359a(13) =577a(14) =929a(15) =1499a(16) =2423a(17) =3919a(18) =6337a(19) =10253