148219

Appears in sequences

• Quasi-Carmichael numbers to base -6: squarefree composites n such that prime p|n ==> p+6|n+6.at n=0A029566
• For n>0, a(n) is the least quasi-Carmichael number to base -n, extended to n=0 with the least composite squarefree integer.at n=6A029591
• Numerators of continued fraction convergents to sqrt(877).at n=13A042694
• Products p*q*r of three distinct primes such that s=(p*q) mod r, t=(p*r) mod q and u=(q*r) mod p, and s+t+u are all prime.at n=36A338705