162687

Appears in sequences

• Lucas-Carmichael numbers: squarefree composite numbers k such that p | k => p+1 | k+1.at n=32A006972
• Lucas-Carmichael numbers that are not congruent to 11 (mod 12).at n=5A110885
• Conjectured number of numbers that are not the sum of three n-gonal numbers, or -1 if infinite.at n=18A118279
• Conjectured number of numbers that are not the sum of three (2n+1)-gonal numbers; bisection of A118279.at n=9A118281
• Lucas-Carmichael numbers with 4 prime factors.at n=9A216926
• Least Lucas-Carmichael number divisible by the n-th prime.at n=16A253597
• Least Lucas-Carmichael number divisible by the n-th prime.at n=29A253597
• a(n) = least Lucas-Carmichael number which is divisible by b(n), where {b(n)} (A255602) is the list of all numbers which could be a divisor of a Lucas-Carmichael number.at n=22A253598