Expansion of e.g.f. exp( (x / (1-x))^2 ) / (1-x).
A361594
Expansion of e.g.f. exp( (x / (1-x))^2 ) / (1-x).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =24a(4) =180a(5) =1620a(6) =17040a(7) =204960a(8) =2770320a(9) =41504400a(10) =681791040a(11) =12173293440a(12) =234555773760
External references
- oeis: A361594