a(n) is the smallest member of the n-th purely periodic unitary sigma aliquot cycle listed in A336216.
A336219
a(n) is the smallest member of the n-th purely periodic unitary sigma aliquot cycle listed in A336216.
Terms
- a(0) =6a(1) =30a(2) =60a(3) =90a(4) =114a(5) =1140a(6) =1482a(7) =2418a(8) =18018a(9) =24180a(10) =32130a(11) =35238a(12) =44772a(13) =56430a(14) =67158a(15) =87360a(16) =142310a(17) =180180a(18) =197340a(19) =241110a(20) =263820a(21) =296010a(22) =308220a(23) =395730a(24) =462330a(25) =473298a(26) =591030a(27) =669900a(28) =671580a(29) =698130
External references
- oeis: A336219