84827

Properties

Appears in sequences

• Number of terms in 7th derivative of a function composed with itself n times.at n=14A022817
• Noncomposite numbers in the eastern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.at n=33A168022
• E.g.f.: Shw(x) / Chw(x), where Chw(x) = Sum_{n>=0} (2*n+1)^(2*n-1) * x^(2*n)/(2*n)! and Shw(x) = Sum_{n>=0} (2*n+2)^(2*n) * x^(2*n+1)/(2*n+1)!, with zero coefficients omitted.at n=3A215890
• Prime numbersat n=8265