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 | 142 |
| 2 | 238 |
| 3 | 418 |
| 4 | 429 |
| 5 | 598 |
| 6 | 622 |
| 7 | 2985 |
| 8 | 3502 |
| 9 | 16269 |
| 10 | 22678 |
| 11 | 23188 |
| 12 | 27778 |
| 13 | 38494 |
| 14 | 46761 |
| 15 | 48489 |
| 16 | 62235 |
| 17 | 74188 |
| 18 | 98745 |
| 19 | 110170 |
| 20 | 120345 |
| 21 | 129448 |
| 22 | 151677 |
| 23 | 187822 |
| 24 | 190888 |
| 25 | 194818 |
| 26 | 205185 |
| 27 | 223685 |
| 28 | 235438 |
| 29 | 246934 |
| 30 | 249166 |