Sum of divisors of n^2 that do not divide n.

Terms

a(0) =0a(1) =4a(2) =9a(3) =24a(4) =25a(5) =79a(6) =49a(7) =112a(8) =108a(9) =199a(10) =121a(11) =375a(12) =169a(13) =375a(14) =379a(15) =480a(16) =289a(17) =808a(18) =361a(19) =919a(20) =709a(21) =895a(22) =529a(23) =1591a(24) =750a(25) =1239a(26) =1053a(27) =1711a(28) =841a(29) =2749