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%I #8 Mar 30 2012 18:53:00
%S 0,1,1,1,2,1,3,2,1,1,4,1,1,3,2,1,3,1,1,5,2,1,4,1,2,1,4,1,5,1,3,2,1,1,
%T 6,2,1,2,1,1,2,1,2,1,3,1,3,6,1,1,1,2,1,1,1,2,2,3,1,5,2,1,1,4,1,2,3,1,
%U 1,2,1,1,2,4,1,6,1,2,7,1,1,2,3,1,1,1,1,3,2,5,3,1,2,5,2
%N Degree of A192189(n) (polynomial-like numbers) in term of number derivatives: number of A003415-iterations up to reaching 0.
%C a(n) = 1 iff A192189(n) is prime.
%Y Cf. A003415, A038554, A192082, A192189.
%K nonn
%O 1,5
%A _Vladimir Shevelev_, Jun 25 2011
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