228525

Appears in sequences

• Triangle read by rows: T(n, k) = (-2)^k*binomial(n, k)*Euler(k, 1/2).at n=74A081658
• Triangle, read by rows, equal to the matrix inverse of triangle A103327, where A103327(n,k) = binomial(2*n+1,2*k+1).at n=16A104033
• Nonzero coefficients of the Swiss-Knife polynomials for the computation of Euler, tangent, and Bernoulli numbers (triangle read by rows).at n=40A153641