6892326441
domain: N
Appears in sequences
- a(n) = [ C(2n,n)/n ].at n=19A024498
- Numerators in the Taylor series for arccosh(x) - log(2*x).at n=19A052468
- Denominators of the BG1[ -5,n] coefficients of the BG1 matrix.at n=20A162444
- a(n) = C(2*n,n) / gcd(n,C(2*n,n)).at n=20A195686
- Numerator of binomial(2n,n)/(2n).at n=19A201058
- Denominators of the terms of Lehmer's series S_2(2), where S_k(x) = Sum_{n>=1} n^k*x^n/binomial(2*n, n).at n=19A259853
- Numerator of binomial(2*n,n)/20^n.at n=20A285020