12207360

Appears in sequences

• Generalized tangent numbers.at n=5A002303
• Triangle of coefficients in expansion of D^n (tan x) in powers of tan x.at n=37A008293
• Triangle read by rows: nonzero coefficients of the polynomials F_n(x) which express derivatives of tan(z) in terms of powers of tan(z).at n=38A101343