Expansion of e.g.f. 2/(1 + sqrt(1 - 4*x*cos(x))).
A295255
Expansion of e.g.f. 2/(1 + sqrt(1 - 4*x*cos(x))).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =27a(4) =288a(5) =4145a(6) =75360a(7) =1655003a(8) =42628096a(9) =1260274689a(10) =42070233600
External references
- oeis: A295255