a(n) = coefficient of x^(2*n) in C(x) defined by: C(x) + i*S(x) = Sum_{n=-oo..+oo} i^n * (2*x)^(n^2) * F(x)^n, where F(x) is the g.f. of A357787 such that C(x)^2 + S(x)^2 = 1.
A357788
a(n) = coefficient of x^(2*n) in C(x) defined by: C(x) + i*S(x) = Sum_{n=-oo..+oo} i^n * (2*x)^(n^2) * F(x)^n, where F(x) is the g.f. of A357787 such that C(x)^2 + S(x)^2 = 1.
Terms
- a(0) =1a(1) =0a(2) =-32a(3) =-256a(4) =-2048a(5) =-12288a(6) =-32768a(7) =131072a(8) =3276800a(9) =28311552a(10) =125829120a(11) =-285212672a(12) =-11274289152a(13) =-110326972416a(14) =-511101108224
External references
- oeis: A357788