a(n) = [ a(n-1)/a(1) + a(n-2)/a(2) + ... + a(1)/a(n-1) ], for n >= 3.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =9a(6) =16a(7) =29a(8) =52a(9) =93a(10) =167a(11) =300a(12) =539a(13) =968a(14) =1739a(15) =3124a(16) =5613a(17) =10085a(18) =18120a(19) =32556a(20) =58494a(21) =105098a(22) =188832a(23) =339280a(24) =609594a(25) =1095275a(26) =1967912a(27) =3535805a(28) =6352883a(29) =11414410