lean_workbook_plus_11330

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

And so sequence $0, 1, 8, 49, 288, 1681, 9800, 57121, ...$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_11330 : ∃ f : ℕ → ℕ, f 0 = 0 ∧ f 1 = 1 ∧ f 2 = 8 ∧ f 3 = 49 ∧ f 4 = 288 ∧ f 5 = 1681 ∧ f 6 = 9800 ∧ f 7 = 57121   :=  by sorry

Source

https://huggingface.co/datasets/internlm/Lean-Workbook

View graph