Sequences defined by recurrence or recursive relations: write with explicit formula.

Writing an Explicit Formula From a Recursive Formula

Arithmetic Sequences: Writing Recursive & Explicit Formulas

Recursive vs. Explicit Formulas

Recursive vs. Explicit Formulas for Arithmetic Sequences

Recursive and Explicit Formulas

Recursive Formulas by Induction (3 of 4: Hypothesising an explicit formula)

Writing Recursive and Explicit Rules

Explicit and Recursive Geometric Sequences