Dirichlet convolution of Fibonacci numbers with sigma(n).

Terms

a(0) =1a(1) =4a(2) =6a(3) =13a(4) =11a(5) =30a(6) =21a(7) =52a(8) =55a(9) =94a(10) =101a(11) =234a(12) =247a(13) =448a(14) =666a(15) =1117a(16) =1615a(17) =2794a(18) =4201a(19) =7043a(20) =11046a(21) =18026a(22) =28681a(23) =47094a(24) =75086a(25) =122148a(26) =196620a(27) =319137a(28) =514259a(29) =834330