204236

Appears in sequences

• a(n)=(1/2)*4^n*(2*Gamma(n + 1/2)^2*hypergeom([n + 1/2, n + 1/2], [1/2, 1/2, 3/2], 1/4) + Pi*n!^2*hypergeom([n + 1, n + 1], [1, 3/2, 2], 1/4))/exp(1)/Pi.at n=3A088466
• Given the associative array U(n,k) described below, numbers m > 5 such that [m-3..m+3] are not in U(n,k) (excluding the first row and column).at n=26A345473