Carmichael numbers k such that sopf(k) is also a Carmichael number, where sopf(k) is the sum of the distinct primes dividing k (A008472).

A329463

Carmichael numbers k such that sopf(k) is also a Carmichael number, where sopf(k) is the sum of the distinct primes dividing k (A008472).

Terms

    a(0) =1618206745a(1) =2265650401a(2) =28645206001a(3) =56969031001a(4) =226244724265a(5) =235389006721a(6) =235771174081a(7) =296423001601a(8) =432133594201a(9) =626086650961a(10) =772165132201a(11) =884500464001

External references