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%I #26 May 07 2024 11:17:03
%S 1,2,3,3,3,5,5,4,3,7,4,4,4,8,6,5,5,6,10,6,6,10,6,5,6,8,8,11,6,7,11,7,
%T 7,13,7,9,8,7,5,10,7,7,12,7,9,18,6,7,10,10,11,11,10,9,14,12,12,11,7,9,
%U 13,6,7,16,5,14,10,7,7,15,11,7,13,7,8,16,9,13
%N Number of distinct prime factors of n^n+n.
%F a(n) = A001221(A066068(n)).
%o (PARI) a(n) = omega(n^n+n);
%o (Python)
%o from sympy.ntheory.factor_ import primenu
%o def A372546(n): return primenu(n*(n**(n-1)+1)) # _Chai Wah Wu_, May 07 2024
%Y Cf. A001221, A066068, A372599, A372228, A344870, A344869.
%K nonn
%O 1,2
%A _Tyler Busby_, May 06 2024
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