a(n) = numerator of Sum_{d|n} (pod(d)/tau(d)) where pod(k) = the product of the divisors of k (A007955) and tau(k) = the number of the divisors of k (A000005).

A324982

a(n) = numerator of Sum_{d|n} (pod(d)/tau(d)) where pod(k) = the product of the divisors of k (A007955) and tau(k) = the number of the divisors of k (A000005).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =14a(4) =7a(5) =25a(6) =9a(7) =62a(8) =23a(9) =59a(10) =13a(11) =1819a(12) =15a(13) =109a(14) =245a(15) =3382a(16) =19a(17) =1987a(18) =21a(19) =2731a(20) =465a(21) =257a(22) =25a(23) =250747a(24) =271a(25) =355a(26) =775a(27) =22295a(28) =31a(29) =405385

External references