Expansion of e.g.f. exp(x / (1 - x^2)^2) / (1 - x^2).
A373681
Expansion of e.g.f. exp(x / (1 - x^2)^2) / (1 - x^2).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =85a(5) =861a(6) =6391a(7) =74383a(8) =822249a(9) =10724185a(10) =156044971a(11) =2331428331a(12) =40840033213a(13) =706624333429
External references
- oeis: A373681