Finding the terms of a quadratic sequence

You are given an nth term formula, and you need to find the first 5 terms of each one. All the formulas are quadratic (i.e. in the form an^2+bn+c)

Number of problems

5 problems.
10 problems.
20 problems

Sequence type

Increasing linear part
Decreasing linear part
Decimal sequences

Answer sheet

Include answer sheet.