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Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^4.
7

%I #5 Nov 30 2020 21:38:49

%S 1,4,4,10,4,20,4,24,10,20,4,60,4,20,20,51,4,60,4,60,20,20,4,156,10,20,

%T 24,60,4,116,4,100,20,20,20,206,4,20,20,156,4,116,4,60,60,20,4,360,10,

%U 60,20,60,4,156,20,156,20,20,4,396,4,20,60,190,20,116,4,60,20,116,4,580

%N Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^4.

%F a(p^k) = A022569(k) for prime p.

%Y Cf. A022569, A045778, A328706, A339319, A339335, A339337, A339338, A339339, A339340, A339341.

%K nonn

%O 1,2

%A _Ilya Gutkovskiy_, Nov 30 2020