a(n) = [ a(n-1)/a(1) + a(n-3)/a(3) + a(n-5)/a(5) + ... ], for n >= 3.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =6a(7) =9a(8) =13a(9) =20a(10) =30a(11) =45a(12) =68a(13) =103a(14) =156a(15) =236a(16) =358a(17) =542a(18) =821a(19) =1245a(20) =1887a(21) =2859a(22) =4333a(23) =6568a(24) =9954a(25) =15086a(26) =22865a(27) =34655a(28) =52524a(29) =79608