Numbers n whose sum of divisors equals the sum of divisors of 2n+1.

Terms

a(0) =20a(1) =464a(2) =650a(3) =2744a(4) =3980a(5) =5504a(6) =5736a(7) =5922a(8) =7032a(9) =8130a(10) =10472a(11) =18618a(12) =24312a(13) =27654a(14) =38874a(15) =39500a(16) =43032a(17) =45492a(18) =56870a(19) =64410a(20) =71058a(21) =79068a(22) =85158a(23) =89178a(24) =92130a(25) =97014a(26) =109928a(27) =117114a(28) =118902a(29) =127688