∀ {p : ℕ} [hp : Fact (Nat.Prime p)] {E : Type u_1} [inst : NormedAddCommGroup E] [inst_1 : Module ℤ_[p] E]
  [inst_2 : IsBoundedSMul ℤ_[p] E] [IsUltrametricDist E] [CompleteSpace E] {a : ℕ → E},
  Filter.Tendsto a Filter.atTop (nhds 0) → ∀ (x : ℤ_[p]), (PadicInt.mahlerSeries a) x = ∑' (n : ℕ), (mahler n) x • a n