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) |
|---|---|
| 2 | 127 |
| 3 | 2 |
| 4 | 373 |
| 5 | 83 |
| 6 | 28151 |
| 7 | 223 |
| 8 | 6211 |
| 9 | 2789 |
| 10 | 294001 |
| 11 | 3347 |
| 12 | 20837899 |
| 13 | 4751 |
| 14 | 6588721 |
| 15 | 484439 |
| 16 | 862789 |
| 17 | 10513 |
| 18 | 2078920243 |
| 19 | 10909 |
| 20 | 169402249 |
| 21 | 2823167 |
| 22 | 267895961 |
| 23 | 68543 |
| 24 | 1016960933671 |
| 25 | 181141 |
| 26 | 121660507 |
| 27 | 6139219 |
| 28 | 11646280537 |
| 29 | 488651 |