Nonprime numbers k such that sigma(k) - Sum_{j=1..m}{sigma(k) mod d_j} | k, where d_j is one of the m divisors of k.
A282774
Nonprime numbers k such that sigma(k) - Sum_{j=1..m}{sigma(k) mod d_j} | k, where d_j is one of the m divisors of k.
Terms
- a(0) =1a(1) =8a(2) =50a(3) =128a(4) =228a(5) =9976a(6) =32768a(7) =41890a(8) =47668a(9) =53064a(10) =501888a(11) =564736a(12) =1207944a(13) =12026888a(14) =14697568a(15) =29720448a(16) =2147483648a(17) =2256502784a(18) =21471264576a(19) =35929849856
External references
- oeis: A282774