G.f.: 1 + (1*x)/(1 + (2*x)^2/(1 + (3*x)^3/(1 + (4*x)^4/(1 + (5*x)^5/(1 + ...))))).
A343473
G.f.: 1 + (1*x)/(1 + (2*x)^2/(1 + (3*x)^3/(1 + (4*x)^4/(1 + (5*x)^5/(1 + ...))))).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =-4a(4) =0a(5) =16a(6) =108a(7) =-64a(8) =-864a(9) =-2660a(10) =-22464a(11) =33968a(12) =272268a(13) =1217152a(14) =4629312a(15) =68208188a(16) =-98077824a(17) =-1089798320a(18) =-5246016084a(19) =-32436365248a(20) =-180561473568
External references
- oeis: A343473