Expansion of e.g.f. (1-2x)/(1-3x+x^2).
A052574
Expansion of e.g.f. (1-2x)/(1-3x+x^2).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =30a(4) =312a(5) =4080a(6) =64080a(7) =1174320a(8) =24595200a(9) =579519360a(10) =15172012800a(11) =436929292800
External references
- oeis: A052574