This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 25 |
| 2 | 225 |
| 3 | 55225 |
| 4 | 235225 |
| 5 | 3553225 |
| 6 | 33235225 |
| 7 | 252333225 |
| 8 | 2523555225 |
| 9 | 3325252225 |
| 10 | 5232352225 |
| 11 | 3235555525225 |
| 12 | 232555332555225 |
| 13 | 35232553232323225 |
| 14 | 32355552523523552532225 |
| 15 | 25532532332552235533223325522255225 |
| 16 | 332222523225232223533222222253253255253352335533253225 |