Sum of divisors of A104357(n) = A104350(n) - 1.

Terms

a(0) =1a(1) =6a(2) =12a(3) =60a(4) =180a(5) =1260a(6) =2760a(7) =7560a(8) =37800a(9) =415800a(10) =1265040a(11) =16287864a(12) =113538360a(13) =567638664a(14) =1135134000a(15) =19298936664a(16) =58868650320