Numbers m = (Sum_(j=1..k) tau(j)) with m divisible by k, where tau(j) is the number of divisors of j.

A218464

Numbers m = (Sum_(j=1..k) tau(j)) with m divisible by k, where tau(j) is the number of divisors of j.

Terms

    a(0) =1a(1) =8a(2) =10a(3) =45a(4) =168a(5) =176a(6) =188a(7) =605a(8) =2016a(9) =2040a(10) =2082a(11) =6510a(12) =20384a(13) =62433a(14) =62523a(15) =564542a(16) =4928261a(17) =4928703a(18) =4928729a(19) =42018075a(20) =351871865a(21) =1012753620a(22) =1012755546a(23) =2905896480a(24) =2905898228a(25) =192057921660

External references