E.g.f.: Sum_{n>=0} Product_{k=1..n} tan(2*k*x).
A335618
E.g.f.: Sum_{n>=0} Product_{k=1..n} tan(2*k*x).
Terms
- a(0) =1a(1) =2a(2) =16a(3) =304a(4) =10496a(5) =568832a(6) =44486656a(7) =4742354944a(8) =660908343296
External references
- oeis: A335618
A335618
E.g.f.: Sum_{n>=0} Product_{k=1..n} tan(2*k*x).