Numbers k such that sigma(k) == 0 (mod k-7).
A274560
Numbers k such that sigma(k) == 0 (mod k-7).
Terms
- a(0) =3a(1) =5a(2) =6a(3) =8a(4) =10a(5) =11a(6) =15a(7) =27a(8) =34a(9) =72a(10) =232a(11) =34432a(12) =549762629632
External references
- oeis: A274560