883631595

Appears in sequences

• a(n) = floor( binomial(n, floor(n/2))/(1 + ceiling(n/2)) ) (interpolates between Catalan numbers).at n=37A028303
• a(n) = ceiling( binomial(n, floor(n/2))/(1 + ceiling(n/2)) ) (interpolates between Catalan numbers).at n=37A028304
• Numerators of coefficients of 1/2^(2n+1) in Newton's series for Pi.at n=21A054387
• Numerator of Catalan(n)/2^(2n+1). Also, numerators of (2n-1)!!/(n+1)!. Odd part of the n-th Catalan number.at n=19A098597
• Catalan numbers halved and rounded to the next integer.at n=19A130380
• Numerator of moments of Chebyshev U- (or S-) polynomials.at n=38A134828
• Even Catalan numbers divided by 2.at n=14A152671
• Largest proper divisor of the Catalan number A000108(n).at n=17A152766