747319

Properties

Appears in sequences

• a(n) = Sum_{k=0..floor(n/3)} binomial(2*n-3*k-2,n-3*k).at n=12A371871
• Numerators C(n) of the rational part in J(n) = Integral_{x=0..Pi/2} x*cos(x)^(2n) dx.at n=11A389342
• Prime numbersat n=60037