368113411

Appears in sequences

• Carmichael numbers that are not == 1 mod 12. There are 69 Carmichael numbers out to 2*m+1, m=2*10^6 and all but the above 9 are 1 mod 12.at n=27A110889
• Carmichael numbers congruent to 3 modulo 4.at n=10A185321
• Triangular Carmichael numbers.at n=17A290945
• Carmichael numbers all of whose prime factors are congruent to 3 modulo 4.at n=26A329468
• Odd squarefree composite numbers k such that p-1 divides k-1 and p-1 does not divide (k-1)/2 for every prime p|k.at n=19A329799
• Carmichael numbers with exactly 3 prime factors, p*q*r, such that p-1, q-1 and r-1 have an equal 2-adic valuation.at n=19A382791