Coefficient of x in the reduction of the polynomial (x^2 + 2)^n by x^3 -> x^2 + 2.
A192809
Coefficient of x in the reduction of the polynomial (x^2 + 2)^n by x^3 -> x^2 + 2.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =14a(4) =74a(5) =366a(6) =1786a(7) =8702a(8) =42410a(9) =206734a(10) =1007834a(11) =4913310a(12) =23953034a(13) =116774190a(14) =569289402a(15) =2775359806a(16) =13530239338a(17) =65961672910a(18) =321571716762
External references
- oeis: A192809