-2096640

Appears in sequences

• Triangle read by rows. T(n, k) are the coefficients of polynomials p_n(x) based on the Eulerian numbers of second order representing the Bernoulli numbers as B_n = p_n(1) / (2*(2*n - 1)!).at n=16A356547
• a(n) = Sum_{d|n} mu(n/d) * (-n)^(d-1).at n=7A383012