Expansion of exp(-x) / (1 - exp(x) + exp(-x)).
A000556
Expansion of exp(-x) / (1 - exp(x) + exp(-x)).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =31a(4) =257a(5) =2671a(6) =33305a(7) =484471a(8) =8054177a(9) =150635551a(10) =3130337705a(11) =71556251911
External references
- oeis: A000556