355688

Appears in sequences

• Generalized tangent numbers d_(n,3).at n=6A000488
• Generalized tangent number d(7,n).at n=2A064072
• Shanks's array d_{a,n} (a >= 1, n >= 1) that generalizes the tangent numbers, read by antidiagonals upwards.at n=38A235606
• Generalized Euler numbers, a(n) = n!*[x^n](sec(7*x)*(-sin(2*x) + sin(4*x) + sin(6*x) + cos(x) + cos(3*x) - cos(5*x))).at n=5A349266