The floor(n/3)-perfect numbers, where f-perfect numbers for an arithmetical function f are defined in A066218.

A066238

The floor(n/3)-perfect numbers, where f-perfect numbers for an arithmetical function f are defined in A066218.

Terms

    a(0) =2a(1) =12a(2) =18a(3) =40a(4) =56a(5) =304a(6) =550a(7) =748a(8) =1504a(9) =3230a(10) =3770a(11) =6976a(12) =29824a(13) =124672a(14) =351351a(15) =382772a(16) =510464a(17) =537248a(18) =698528a(19) =791264a(20) =1081568a(21) =1279136a(22) =2065408a(23) =2279072a(24) =211855016a(25) =561841408a(26) =731378944a(27) =3365232128a(28) =3557004544

External references