E.g.f.: sqrt(2)*(L/Pi) / (1 + 2*Sum_{n>=1} cosh(2*Pi*n*x/L)/cosh(n*Pi)) where L = Lemniscate constant.
A193544
E.g.f.: sqrt(2)*(L/Pi) / (1 + 2*Sum_{n>=1} cosh(2*Pi*n*x/L)/cosh(n*Pi)) where L = Lemniscate constant.
Terms
- a(0) =1a(1) =-1a(2) =-3a(3) =27a(4) =441a(5) =-11529a(6) =-442827a(7) =23444883a(8) =1636819569a(9) =-145703137041
External references
- oeis: A193544