Expansion of e.g.f. (sec(x) + tan(x))*exp(x/(1 - x)).
A307595
Expansion of e.g.f. (sec(x) + tan(x))*exp(x/(1 - x)).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =27a(4) =156a(5) =1097a(6) =9054a(7) =85603a(8) =910840a(9) =10760273a(10) =139634314a(11) =1973272939a(12) =30150497652a(13) =495099175625
External references
- oeis: A307595