Key learning points

1. Special number sequences are not arithmetic.
2. Special number sequences are not geometric.
3. Special number sequences are generated using different rules.

Common misconception

Keywords

• Square number - A square number is the product of two repeated integers.

• Cube number - A cube number is the product of three repeated integers.

• Triangular number - A triangular number (or triangle number) is a number that can be represented by a pattern of dots arranged into an equilateral triangle.

• Sequence - A sequence is an ordered list of terms, usually formed according to a rule.

• Nth term - The nth term of a sequence is the position of a term in a sequence where n stands for the term number.