Expansion of e.g.f. 1/(1 - x * cosh(2*x)).
A381280
Expansion of e.g.f. 1/(1 - x * cosh(2*x)).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =18a(4) =120a(5) =920a(6) =10320a(7) =126448a(8) =1714048a(9) =27073152a(10) =472354560a(11) =8989147904a(12) =187690331136
External references
- oeis: A381280