588455

Appears in sequences

• a(n) = smallest k having at least five prime divisors d such that (d + n) | (k + n).at n=0A202160
• Lucas-Carmichael numbers with 5 prime factors.at n=0A216927
• Least Lucas-Carmichael number with n prime factors.at n=2A216928
• Chebyshev pseudoprimes to both base 2 and base 3: composite numbers k such that T(k, 2) == 2 (mod k) and T(k, 3) == 3 (mod k), where T(k, x) is the k-th Chebyshev polynomial of the first kind.at n=23A330208