E.g.f.: Sum_{n>=0} Product_{k=1..n} tan(k*x).
A177382
E.g.f.: Sum_{n>=0} Product_{k=1..n} tan(k*x).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =38a(4) =656a(5) =17776a(6) =695104a(7) =37049648a(8) =2581673216a(9) =227817246976
External references
- oeis: A177382
A177382
E.g.f.: Sum_{n>=0} Product_{k=1..n} tan(k*x).