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Arithmetic derivative of n*rad(n)+1, where rad = A007947 (squarefree kernel).
2

%I #9 Oct 29 2022 15:19:24

%S 1,1,7,6,15,1,45,1,32,1,63,1,129,1,115,14,213,1,183,70,281,102,381,34,

%T 165,1,43,134,423,70,581,18,773,102,615,38,969,459,763,1,957,358,1715,

%U 431,780,102,1847,34,524,170,1303,607,1977,155,1725,162,3825,678,1743

%N Arithmetic derivative of n*rad(n)+1, where rad = A007947 (squarefree kernel).

%H Reinhard Zumkeller, <a href="/A078323/b078323.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A003415(A078310(n)).

%o (Haskell)

%o a078323 = a003415 . a078310 -- _Reinhard Zumkeller_, Jul 23 2013

%Y Cf. A003415, A007947 (rad), A078310, A078322.

%K nonn

%O 1,3

%A _Reinhard Zumkeller_, Nov 23 2002