Numbers k for which sigma(k)/k - 6/7 is an integer.
A218413
Numbers k for which sigma(k)/k - 6/7 is an integer.
Terms
- a(0) =168a(1) =11172a(2) =217854a(3) =228480a(4) =446880a(5) =220093440a(6) =5228496000a(7) =10805558400
External references
- oeis: A218413