a(n) = sigma(n)*Fibonacci(n), where sigma(n) = A000203(n), the sum of divisors of n.

Terms

a(0) =1a(1) =3a(2) =8a(3) =21a(4) =30a(5) =96a(6) =104a(7) =315a(8) =442a(9) =990a(10) =1068a(11) =4032a(12) =3262a(13) =9048a(14) =14640a(15) =30597a(16) =28746a(17) =100776a(18) =83620a(19) =284130a(20) =350272a(21) =637596a(22) =687768a(23) =2782080a(24) =2325775a(25) =5098506a(26) =7856720a(27) =17797416a(28) =15426870a(29) =59906880