Partial sums of n + Fibonacci(n+1).

Terms

a(0) =1a(1) =3a(2) =7a(3) =13a(4) =22a(5) =35a(6) =54a(7) =82a(8) =124a(9) =188a(10) =287a(11) =442a(12) =687a(13) =1077a(14) =1701a(15) =2703a(16) =4316a(17) =6917a(18) =11116a(19) =17900a(20) =28866a(21) =46598a(22) =75277a(23) =121668a(24) =196717a(25) =318135a(26) =514579a(27) =832417a(28) =1346674a(29) =2178743