Number of new terms added at n-th generation of A306211.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =9a(7) =15a(8) =24a(9) =39a(10) =62a(11) =98a(12) =156a(13) =247a(14) =390a(15) =611a(16) =953a(17) =1485a(18) =2314a(19) =3613a(20) =5655a(21) =8877a(22) =13970a(23) =22029a(24) =34774a(25) =54904a(26) =86640a(27) =136571a(28) =214992a(29) =338008