Numbers of the form 2^(n-1)*(2^n - 1) which aren't perfect numbers.
A144858
Numbers of the form 2^(n-1)*(2^n - 1) which aren't perfect numbers.
Terms
- a(0) =0a(1) =1a(2) =120a(3) =2016a(4) =32640a(5) =130816a(6) =523776a(7) =2096128a(8) =8386560a(9) =134209536a(10) =536854528a(11) =2147450880a(12) =34359607296a(13) =549755289600
External references
- oeis: A144858