a(n) = b(n) + d(n), where b(n) = (n-th Fibonacci number > 1) and d(n) = (n-th number that is 1, 2, or 3, or is not a Lucas number).

A023500

a(n) = b(n) + d(n), where b(n) = (n-th Fibonacci number > 1) and d(n) = (n-th number that is 1, 2, or 3, or is not a Lucas number).

Terms

    a(0) =3a(1) =5a(2) =8a(3) =13a(4) =19a(5) =29a(6) =43a(7) =65a(8) =101a(9) =157a(10) =247a(11) =392a(12) =626a(13) =1004a(14) =1616a(15) =2604a(16) =4202a(17) =6787a(18) =10969a(19) =17735a(20) =28682a(21) =46394a(22) =75052a(23) =121421a(24) =196448a(25) =317842a(26) =514261a(27) =832073a(28) =1346303a(29) =2178344

External references