-79360
domain: Z
Appears in sequences
- Triangle read by rows, T(n,k) = 2^(n-k)*[x^k] Euler_polynomial(n, x), for n >= 0, k >= 0.at n=56A081733
- Expansion of g.f. (1+x)^2*(x^2-6*x+1)/(x-1)^4.at n=31A136264
- a(n) = n! * [x^n] (tanh(x) + x*(2*x*tanh(x) - 1)*sech(x)^2)/8.at n=9A326718
- Irregular array related to the Euler numbers, read by rows, T_row(n) = A326722_row(2*n) + A326722_row(2*n+1) for n >= 0, T_row(-1) = [1].at n=29A326721
- T(n, k) = n! * [x^k] [y^n] sec(z)(x + z*sin(z)/y) where z = y*sqrt(x^2 - 1) for 0 <= k <= n+1 and T(-1, 0) = 1, triangle read by rows.at n=59A326722
- Triangle read by rows: T(n, k) = (-1)^(n - k) * binomial(n, k) * A000182(n).at n=17A326723
- T(n, k) = [x^k] 2^n*(Euler(n, x) - Euler(n, x/2)), where Euler(n, x) are the Euler polynomials. Triangle read by rows, T(n, k) for 0 <= k <= n.at n=56A342315