E.g.f. C(x) = 1 + Integral S(x)*D(x)^2 dx, where C(x)^2 - S(x)^2 = 1 and 3*C(x)^2 - 2*D(x)^3 = 1.
A278751
E.g.f. C(x) = 1 + Integral S(x)*D(x)^2 dx, where C(x)^2 - S(x)^2 = 1 and 3*C(x)^2 - 2*D(x)^3 = 1.
Terms
- a(0) =1a(1) =1a(2) =9a(3) =189a(4) =7521a(5) =487521a(6) =46747449a(7) =6218441469
External references
- oeis: A278751