a(n) = Fibonacci(n) + n.

Terms

a(0) =0a(1) =2a(2) =3a(3) =5a(4) =7a(5) =10a(6) =14a(7) =20a(8) =29a(9) =43a(10) =65a(11) =100a(12) =156a(13) =246a(14) =391a(15) =625a(16) =1003a(17) =1614a(18) =2602a(19) =4200a(20) =6785a(21) =10967a(22) =17733a(23) =28680a(24) =46392a(25) =75050a(26) =121419a(27) =196445a(28) =317839a(29) =514258