%I
%S 1,1,1,2,2,1,4,6,3,1,3,2,4,3,2,1,2,3,4,2,2,3,3,4,9,4,2,2,5,4,6,3,6,4,
%T 4,2,6,7,6,4,3,4,8,6,2,7,4,7,12,6,4,5,5,7,9,5,5,6,2,5,10,4,6,5,5,3,9,
%U 4,4,2,3,4,9,4,6,4,5,7,9,13,8,4,2,5,7
%N Number of prime divisors of n^n  (n1)^(n1), counted with multiplicity.
%F a(n) = A001222(A007781(n)).
%e A007781(14) = 10809131718965763 = 3 * 61^2 * 968299894201, therefore a(14) = 4.
%t Table[ Apply[ Plus, Transpose[ FactorInteger[n^n  (n  1)^(n  1)]] [[ 1]]], {n, 2, 52}]
%Y Cf. A001222, A007781, A068956.
%K nonn
%O 2,4
%A _Reinhard Zumkeller_, Mar 11 2002
%E Edited and extended by _Robert G. Wilson v_, Mar 15 2002
%E a(53)a(86) from _Amiram Eldar_, Feb 06 2020
