9293756581
domain: N
Appears in sequences
- Carmichael numbers of the form C = (30n-17)*(90n-53)*(150n-89).at n=8A182133
- Carmichael numbers of the form (60k+13)*(180k+37)*(300k+61).at n=5A182416
- Carmichael numbers whose prime factors form an arithmetic progression.at n=21A300949
- a(n) is the smallest Carmichael number k such that gpf(p-1) = prime(n) for all prime factors p of k.at n=18A327787
- Odd composite numbers k such that A111076(k)^((k-1)/2) == -1 (mod k).at n=19A329538