G.f. C(x) satisfies C(x)^(1/2) - S(x)^(1/2) = 1 such that C'(x)*S(x)^(1/2) = S'(x)*C(x)^(1/2) = 72*x.
A299853
G.f. C(x) satisfies C(x)^(1/2) - S(x)^(1/2) = 1 such that C'(x)*S(x)^(1/2) = S'(x)*C(x)^(1/2) = 72*x.
Terms
- a(0) =1a(1) =12a(2) =12a(3) =-24a(4) =96a(5) =-504a(6) =3072a(7) =-20592a(8) =147456a(9) =-1108536a(10) =8650752a(11) =-69535440a(12) =572522496a(13) =-4808643120a(14) =41070624768a(15) =-355839590880
External references
- oeis: A299853