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

Terms

a(0) =2a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =9a(7) =14a(8) =21a(9) =32a(10) =49a(11) =75a(12) =115a(13) =177a(14) =271a(15) =416a(16) =638a(17) =980a(18) =1504a(19) =2309a(20) =3544a(21) =5440a(22) =8351a(23) =12819a(24) =19678a(25) =30207a(26) =46370a(27) =71182a(28) =109269a(29) =167737