Erroneous version of A024371.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =11a(5) =18a(6) =34a(7) =55a(8) =89a(9) =144a(10) =246a(11) =398a(12) =665a(13) =1076a(14) =1775a(15) =2872a(16) =4647a(17) =7519a(18) =12255