a(n) = Sum_{d|n} d*Fibonacci(n/d).

Terms

a(0) =1a(1) =3a(2) =5a(3) =9a(4) =10a(5) =21a(6) =20a(7) =39a(8) =49a(9) =80a(10) =100a(11) =195a(12) =246a(13) =424a(14) =650a(15) =1065a(16) =1614a(17) =2715a(18) =4200a(19) =6940a(20) =11020a(21) =17922a(22) =28680a(23) =46821a(24) =75075a(25) =121898a(26) =196565a(27) =318680a(28) =514258a(29) =833560