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%I #17 Dec 09 2024 16:16:44
%S 1,1,2,2,2,2,2,4,4,8,8,8,4,2,8,10,8,8,8,12,8,24,8,4,18,8,24,16,12,8,
%T 12,8,12,18,8,12,2,8,12,40,24,16,8,20,12,8,16,24,8,12,8,12,32,12,32,
%U 24,8,8,24,48,8,32,24,8,32,4,56,4,24,8,48,8,8,8,48,128,4,2,24,24,36,4,32,8,48
%N Number of divisors of the partition numbers (A000041).
%H Giovanni Resta, <a href="/A085543/b085543.txt">Table of n, a(n) for n = 0..10000</a>
%F a(n) = A000005(A000041(n)). - _Omar E. Pol_, Jan 25 2009
%t DivisorSigma[0,PartitionsP[Range[0,90]]] (* _Harvey P. Dale_, Dec 09 2024 *)
%o (PARI) a(n)={numdiv(numbpart(n))} \\ _Andrew Howroyd_, Dec 28 2017
%Y Cf. A000005, A000041. - _Omar E. Pol_, Jan 25 2009
%K nonn
%O 0,3
%A _Jason Earls_, Jul 03 2003