Numbers that are either already perfect, or a perfect number is eventually reached if we start doubling them.

A341622

Numbers that are either already perfect, or a perfect number is eventually reached if we start doubling them.

Terms

    a(0) =3a(1) =6a(2) =7a(3) =14a(4) =28a(5) =31a(6) =62a(7) =124a(8) =127a(9) =248a(10) =254a(11) =496a(12) =508a(13) =1016a(14) =2032a(15) =4064a(16) =8128a(17) =8191a(18) =16382a(19) =32764a(20) =65528a(21) =131056a(22) =131071a(23) =262112a(24) =262142a(25) =524224a(26) =524284a(27) =524287a(28) =1048448a(29) =1048568

External references