118518239

Appears in sequences

• Numerators of cosecant numbers -2*(2^(2*n - 1) - 1)*Bernoulli(2*n); also of Bernoulli(2*n, 1/2) and Bernoulli(2*n, 1/4).at n=8A001896
• Duplicate of A001896.at n=8A033474
• Write cosec x = 1/x + Sum_{n>=1} e_n * x^(2n-1)/(2n-1)!; sequence gives numerators of e_n.at n=7A036282
• Numerator of Bernoulli(n, 1/2).at n=16A157779
• Numerator of Bernoulli(n, 1/4).at n=16A157817
• a(2n)=A001896(n). a(2n+1)=(-1)^n*A110501(n+1).at n=16A225825
• Triangle read by rows: denominator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2), 0<=k<=n.at n=40A246052
• The denominator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2) and k = floor(n/2).at n=8A246053
• Numerators of an asymptotic series for the Gamma function (odd power series).at n=7A277002
• Numerator of the coefficients of the series expansion of the Riemann-Siegel theta function at infinity.at n=7A282898