n-th non-Lucas number plus Fibonacci(n + 1).

Terms

a(0) =3a(1) =7a(2) =9a(3) =13a(4) =17a(5) =23a(6) =33a(7) =47a(8) =69a(9) =104a(10) =160a(11) =250a(12) =396a(13) =630a(14) =1008a(15) =1619a(16) =2607a(17) =4205a(18) =6790a(19) =10972a(20) =17738a(21) =28685a(22) =46398a(23) =75056a(24) =121425a(25) =196451a(26) =317845a(27) =514264a(28) =832076a(29) =1346306