a(n) = numerator of Sum_{d|n} sigma(d)/pod(d) where sigma(k) = the sum of the divisors of k (A000203) and pod(k) = the product of the divisors of k (A007955).
A324363
a(n) = numerator of Sum_{d|n} sigma(d)/pod(d) where sigma(k) = the sum of the divisors of k (A000203) and pod(k) = the product of the divisors of k (A007955).
Terms
- a(0) =1a(1) =5a(2) =7a(3) =27a(4) =11a(5) =25a(6) =15a(7) =231a(8) =76a(9) =97a(10) =23a(11) =2185a(12) =27a(13) =369a(14) =91a(15) =3727a(16) =35a(17) =9049a(18) =39a(19) =19041a(20) =1565a(21) =887a(22) =47a(23) =48775a(24) =306a(25) =615a(26) =2092a(27) =65a(28) =59a(29) =63601
External references
- oeis: A324363