604117
domain: N
Appears in sequences
- Pseudoprimes whose prime factors do not divide any smaller pseudoprime.at n=18A084653
- Poulet numbers (2-pseudoprimes) of the form 144*n^2 + 222*n + 85.at n=12A214017
- Semiprime 2-pseudoprimes of the form 10k + 7.at n=19A216667
- Pseudoprimes congruent to 7 mod 10.at n=23A317972
- Fermat pseudoprimes to base 2 that are decagonal.at n=16A321870
- a(n) is the smallest Fermat pseudoprime to base 2 such that gpf(p-1) = prime(n) for all prime factors p of a(n).at n=24A327789