E.g.f. S(x) satisfies: C(x)^2 + 2*S(x)^2 = 1 such that S'(x) = C(x)^2 - S(x)*C(x) and C'(x) = 2*S(x)^2 - 2*S(x)*C(x), where C(x) is described by A279841.
A279842
E.g.f. S(x) satisfies: C(x)^2 + 2*S(x)^2 = 1 such that S'(x) = C(x)^2 - S(x)*C(x) and C'(x) = 2*S(x)^2 - 2*S(x)*C(x), where C(x) is described by A279841.
Terms
- a(0) =1a(1) =-1a(2) =-3a(3) =21a(4) =-21a(5) =-549a(6) =3933a(7) =7029a(8) =-342549a(9) =2039499a(10) =21325437a(11) =-479621979a(12) =1462333419a(13) =74172750651
External references
- oeis: A279842