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 | 421 |
| 2 | 757 |
| 3 | 1021 |
| 4 | 1097 |
| 5 | 1117 |
| 6 | 1301 |
| 7 | 1553 |
| 8 | 1973 |
| 9 | 2069 |
| 10 | 2237 |
| 11 | 2273 |
| 12 | 2789 |
| 13 | 2861 |
| 14 | 3373 |
| 15 | 3461 |
| 16 | 3517 |
| 17 | 3917 |
| 18 | 4133 |
| 19 | 4397 |
| 20 | 5573 |
| 21 | 5717 |
| 22 | 6221 |
| 23 | 6317 |
| 24 | 7253 |
| 25 | 7517 |
| 26 | 8741 |
| 27 | 9173 |
| 28 | 9437 |
| 29 | 10181 |
| 30 | 11597 |
| 31 | 15797 |