E.g.f.: C(x) = Sum_{n>=0} cos((2*n+1)*x) * x^n / (1 + x^(2*n+1)).
A257453
E.g.f.: C(x) = Sum_{n>=0} cos((2*n+1)*x) * x^n / (1 + x^(2*n+1)).
Terms
- a(0) =1a(1) =0a(2) =3a(3) =-24a(4) =-287a(5) =-2480a(6) =-6061a(7) =196504a(8) =6666465a(9) =124381728a(10) =1152761219a(11) =-16400751928
External references
- oeis: A257453