E.g.f. sin(x^2)/2, coefficients of x^(4*n + 2).
A009564
E.g.f. sin(x^2)/2, coefficients of x^(4*n + 2).
Terms
- a(0) =1a(1) =-60a(2) =15120a(3) =-8648640a(4) =8821612800
External references
- oeis: A009564
A009564
E.g.f. sin(x^2)/2, coefficients of x^(4*n + 2).