a(n) = Sum_{p^e | n} F(p^e), where each p^e is the highest power of prime p dividing n (with e > 0), and F(k) is the k-th Fibonacci number.

A113222

a(n) = Sum_{p^e | n} F(p^e), where each p^e is the highest power of prime p dividing n (with e > 0), and F(k) is the k-th Fibonacci number.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =5a(5) =3a(6) =13a(7) =21a(8) =34a(9) =6a(10) =89a(11) =5a(12) =233a(13) =14a(14) =7a(15) =987a(16) =1597a(17) =35a(18) =4181a(19) =8a(20) =15a(21) =90a(22) =28657a(23) =23a(24) =75025a(25) =234a(26) =196418a(27) =16a(28) =514229a(29) =8

External references