a(n) = coefficient of x^n in A(x) such that C(x)^2 + S(x)^2 = 1 where: C(x) + i*S(x) = Sum_{n=-oo..+oo} i^n * (2*x)^(n^2) * A(x)^n.
A357787
a(n) = coefficient of x^n in A(x) such that C(x)^2 + S(x)^2 = 1 where: C(x) + i*S(x) = Sum_{n=-oo..+oo} i^n * (2*x)^(n^2) * A(x)^n.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =8a(4) =14a(5) =32a(6) =68a(7) =0a(8) =22a(9) =-768a(10) =-2020a(11) =-9216a(12) =-23156a(13) =-45056a(14) =-115320a(15) =32768a(16) =102118a(17) =3391488a(18) =8927532a(19) =38993920a(20) =100272484a(21) =240910336a(22) =602657464a(23) =230686720a(24) =307036796a(25) =-14736687104a(26) =-40340665064a(27) =-204925304832a(28) =-536096789800
External references
- oeis: A357787