G.f.: 1/(1 - 1*2*x/(1 + 2*3*x/(1 - 3*4*x/(1 + 4*5*x/(1 - 5*6*x/(1 + ...)))))), a continued fraction.
A331405
G.f.: 1/(1 - 1*2*x/(1 + 2*3*x/(1 - 3*4*x/(1 + 4*5*x/(1 - 5*6*x/(1 + ...)))))), a continued fraction.
Terms
- a(0) =1a(1) =2a(2) =-8a(3) =-112a(4) =2176a(5) =71936a(6) =-3163136a(7) =-196237312a(8) =15258124288
External references
- oeis: A331405