66715

Appears in sequences

• Numerators of continued fraction convergents to sqrt(611).at n=11A042172
• a(1) = 4; a(n) = smallest composite number of form k*a(n-1) + 1 with k > 1.at n=12A071258
• Expansion of Product_{k>=1} (1 + x^k)^A001615(k), where A001615 is the Dedekind psi function.at n=19A301594