E.g.f. C(x) + S(x), such that C(x)^2 - S(x)^2 = 1, 3*C(x)^2 - 2*D(x)^3 = 1, and D(x) = 1 + Integral S(x)*C(x) dx.
A278749
E.g.f. C(x) + S(x), such that C(x)^2 - S(x)^2 = 1, 3*C(x)^2 - 2*D(x)^3 = 1, and D(x) = 1 + Integral S(x)*C(x) dx.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =9a(5) =39a(6) =189a(7) =1137a(8) =7521a(9) =58221a(10) =487521a(11) =4615623a(12) =46747449a(13) =523484019a(14) =6218441469a(15) =80413567317
External references
- oeis: A278749