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 | 19 |
| 2 | 263 |
| 3 | 751 |
| 4 | 1117 |
| 5 | 1361 |
| 6 | 1483 |
| 7 | 2459 |
| 8 | 3191 |
| 9 | 3313 |
| 10 | 3557 |
| 11 | 3923 |
| 12 | 4289 |
| 13 | 5021 |
| 14 | 5387 |
| 15 | 6607 |
| 16 | 7583 |
| 17 | 7949 |
| 18 | 8681 |
| 19 | 8803 |
| 20 | 9413 |
| 21 | 9901 |
| 22 | 10267 |
| 23 | 11243 |
| 24 | 11731 |
| 25 | 12097 |
| 26 | 12829 |
| 27 | 14293 |
| 28 | 14537 |
| 29 | 15269 |
| 30 | 15391 |
| 31 | 16001 |
| 32 | 17099 |
| 33 | 19051 |
| 34 | 19417 |
| 35 | 19661 |
| 36 | 20149 |
| 37 | 20393 |
| 38 | 20759 |
| 39 | 21247 |
| 40 | 21491 |