Constant term in the reduction of the polynomial (x^2 + 2)^n by x^3 -> x^2 + 2. See Comments.
A192808
Constant term in the reduction of the polynomial (x^2 + 2)^n by x^3 -> x^2 + 2. See Comments.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =26a(4) =126a(5) =618a(6) =3022a(7) =14746a(8) =71902a(9) =350538a(10) =1708910a(11) =8331130a(12) =40615294a(13) =198004778a(14) =965298958a(15) =4705957722a(16) =22942154782a(17) =111845982474a(18) =545263681710
External references
- oeis: A192808