a(n)*n = A112900(n).

Terms

a(0) =5a(1) =275a(2) =185a(3) =13888a(4) =11111a(5) =925925a(6) =5079365a(7) =69444444a(8) =61728395a(9) =5555555555a(10) =50505050505a(11) =462962962963