Number Sequence Calculator
Three classic sequences with terms, the nth member, and partial sum.
Term #10
28
- Sum of terms shown
- 145
| # | Value |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 7 |
| 4 | 10 |
| 5 | 13 |
| 6 | 16 |
| 7 | 19 |
| 8 | 22 |
| 9 | 25 |
| 10 | 28 |
How the Number Sequence Calculator works
The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:
Frequently Asked Questions
How does the Number Sequence Calculator work?
Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.
Is the Number Sequence Calculator free to use?
Yes — completely free with no signup required, and it works on phones, tablets, and desktops.