38191

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 67 ones.at n=1A031835
• Quasi-Carmichael numbers to exactly three bases.at n=14A257753
• Expansion of Product_{k>=1} 1/(1 - x^(2*k) - x^(3*k)).at n=36A276519
• a(1) = a(3) = 0, and otherwise a(n) is the least multiple of prime(n) whose decimal representation ends with that of prime(n+1).at n=41A333845