Numbers k such that phi(k) + 3 | sigma(k).
A015792
Numbers k such that phi(k) + 3 | sigma(k).
Terms
- a(0) =12a(1) =126a(2) =152a(3) =216a(4) =245a(5) =392a(6) =490a(7) =63872a(8) =259856a(9) =16750592a(10) =4294541312
External references
- oeis: A015792