Partial sums of floor(Fibonacci(n)/3).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =2a(6) =4a(7) =8a(8) =15a(9) =26a(10) =44a(11) =73a(12) =121a(13) =198a(14) =323a(15) =526a(16) =855a(17) =1387a(18) =2248a(19) =3641a(20) =5896a(21) =9544a(22) =15447a(23) =24999a(24) =40455a(25) =65463a(26) =105927a(27) =171399a(28) =277336a(29) =448745