Number Sequence Generator
Generate exact signed decimal arithmetic sequences with complete text and string-based JSON exports.
Your inputs stay in your browser.Exact arithmetic sequences: 12 whole digits and 6 fractional digits (dot only). Count 1-100,000; 10 MiB output cap. Step cannot be zero. Preview up to 100 terms; exports are complete. Drafts stay in memory only; refreshing clears them. Processing and exports stay local.
Enter values or try an example, then choose Calculate / Generate.
How to use Number Sequence Generator
Enter start, nonzero step and count. Review the first/last values and byte upper bound before Generate. Choose newline, comma or tab output, preserve input decimal places if needed, or pad integer magnitudes. Cancel stops large jobs without publishing partial output.
Worked example
Start 0.1, step 0.2 and count 4 yields exactly 0.1, 0.3, 0.5, 0.7. Start 3 and step -2 gives 3, 1, -1, -3.
Rules and limits
12 whole digits, six fractional digits and dot decimals only. Count 1-100,000, output cap 10 MiB. Term i = start + i × step using exact scaled integers. Padding width 1-20 is only for integer inputs. Text has no final separator. JSON stores strings, not potentially lossy numbers. Preview up to 100 terms; copy/download contain all terms. No formulas or inferred patterns.
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