Numbers k such that sigma(k) == 0 (mod k-3).
A274552
Numbers k such that sigma(k) == 0 (mod k-3).
Terms
- a(0) =2a(1) =4a(2) =5a(3) =6a(4) =7a(5) =8a(6) =15a(7) =52a(8) =315a(9) =592a(10) =1155a(11) =2102272a(12) =815634435
External references
- oeis: A274552