Expansion of e.g.f.: exp(2*(exp(exp(x/(1-x)) -1) -1)/(2 - exp(exp(x/(1-x) ) -1 ))).
A123898
Expansion of e.g.f.: exp(2*(exp(exp(x/(1-x)) -1) -1)/(2 - exp(exp(x/(1-x) ) -1 ))).
Terms
- a(0) =1a(1) =2a(2) =16a(3) =186a(4) =2822a(5) =52656a(6) =1163546a(7) =29664158a(8) =856061120a(9) =27560034858a(10) =978535914122
External references
- oeis: A123898