Free · Math · Numbers

Number Sequence Calculator

Analyze a sequence for arithmetic or geometric patterns and project its next five terms.

  • Checked formula
  • Private in your browser
  • No signup
Calculator inputs

Enter your values

Result

Your calculation

Pattern
Arithmetic sequence
Common difference: 3
Next five terms
17, 20, 23, 26, 29

How to use this calculator

  1. Enter the known values using the units shown.
  2. Choose the calculation you want when more than one method is available.
  3. Calculate, then review the result and the worked formula together.

Private by default

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.