120137

Appears in sequences

• Expansion of 1 / ((1-x-x^2-x^3)*(1-x-x^3)).at n=18A103321
• a(n) is the index of the smallest Carmichael number (A002997) with n prime divisors, or 0 if no such number exists.at n=7A135719
• Smallest nonprime that is the n-th prime plus a multiple of the (n-1)-st primorial.at n=6A367992