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

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =10a(5) =21a(6) =45a(7) =99a(8) =219a(9) =485a(10) =1076a(11) =2389a(12) =5306a(13) =11786a(14) =26182a(15) =58164a(16) =129215a(17) =287062a(18) =637734a(19) =1416785a(20) =3147520a(21) =6992512a(22) =15534524a(23) =34511410a(24) =76670354a(25) =170330428a(26) =378405125a(27) =840662707a(28) =1867611566a(29) =4149075406