a(n) = 1 + integer log of n: if the prime factorization of n is n = Product (p_j^k_j) then a(n) = 1 + Sum (p_j * k_j) (cf. A001414).

A036288

a(n) = 1 + integer log of n: if the prime factorization of n is n = Product (p_j^k_j) then a(n) = 1 + Sum (p_j * k_j) (cf. A001414).

Terms

    a(0) =1a(1) =3a(2) =4a(3) =5a(4) =6a(5) =6a(6) =8a(7) =7a(8) =7a(9) =8a(10) =12a(11) =8a(12) =14a(13) =10a(14) =9a(15) =9a(16) =18a(17) =9a(18) =20a(19) =10a(20) =11a(21) =14a(22) =24a(23) =10a(24) =11a(25) =16a(26) =10a(27) =12a(28) =30a(29) =11

External references