G.f.: exp( Sum_{n>=1} A000204(n)^4 * x^n/n ) where A000204 is the Lucas numbers.
A203804
G.f.: exp( Sum_{n>=1} A000204(n)^4 * x^n/n ) where A000204 is the Lucas numbers.
Terms
- a(0) =1a(1) =1a(2) =41a(3) =126a(4) =1526a(5) =7854a(6) =63629a(7) =400789a(8) =2870629a(9) =19254504a(10) =133376760a(11) =909578760a(12) =6249172910a(13) =42785312510a(14) =293403088510
External references
- oeis: A203804