For n >= 1, a(n) = A007088(n)/gcd(n, A007088(n)).

Terms

a(0) =1a(1) =5a(2) =11a(3) =25a(4) =101a(5) =55a(6) =111a(7) =125a(8) =1001a(9) =101a(10) =1011a(11) =275a(12) =1101a(13) =555a(14) =1111a(15) =625a(16) =10001a(17) =5005a(18) =10011a(19) =505a(20) =481a(21) =5055a(22) =10111a(23) =1375a(24) =11001a(25) =5505a(26) =11011a(27) =2775a(28) =11101a(29) =1111