Increasing sequence of odd primes such that abundancy(a(1)*...*a(n)) < 2, where abundancy(k) = A000203(k)/k. Generates "near perfect numbers".
A121976
Increasing sequence of odd primes such that abundancy(a(1)*...*a(n)) < 2, where abundancy(k) = A000203(k)/k. Generates "near perfect numbers".
Terms
- a(0) =3a(1) =5a(2) =7a(3) =11a(4) =389a(5) =29959a(6) =128194589
External references
- oeis: A121976