E.g.f.: Sum_{n>=0} (1/n!) * Product_{k=1..n} tan(k*x).
A193549
E.g.f.: Sum_{n>=0} (1/n!) * Product_{k=1..n} tan(k*x).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =64a(5) =696a(6) =9872a(7) =191008a(8) =4566784a(9) =131276032a(10) =4579799552a(11) =186766023168
External references
- oeis: A193549