Floor(|x*sin(x)|)-perfect numbers, where f-perfect numbers for an arithmetical function f are defined in A066218.

A066245

Floor(|x*sin(x)|)-perfect numbers, where f-perfect numbers for an arithmetical function f are defined in A066218.

Terms

    a(0) =3a(1) =6a(2) =10a(3) =34a(4) =50a(5) =91a(6) =222a(7) =364a(8) =1485a(9) =6640a(10) =18579a(11) =775698a(12) =1035507a(13) =1706366a(14) =46388515a(15) =75714802

External references