273648375

Appears in sequences

• a(n) = A059366(n,n-2) = A059366(n,2) for n >= 2, where the triangle A059366 arises in the expansion of a trigonometric integral.at n=8A001194
• Denominators of coefficients in expansion of 1/( Sum_{n>=1} x^(n - 1)/(2*n - 1)!! ).at n=7A154289
• Denominators of coefficients in expansion of x/((x^2+1)*arctan(x)), even powers only.at n=7A225149
• Denominators in approximations to the Aurifeuillian factors of p^p +- 1.at n=5A356519