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 | 13121 |
| 2 | 20897 |
| 3 | 25759 |
| 4 | 75329 |
| 5 | 80191 |
| 6 | 106433 |
| 7 | 118751 |
| 8 | 137537 |
| 9 | 153089 |
| 10 | 157951 |
| 11 | 176417 |
| 12 | 191969 |
| 13 | 196831 |
| 14 | 207521 |
| 15 | 212383 |
| 16 | 215297 |
| 17 | 230849 |
| 18 | 243487 |
| 19 | 251263 |
| 20 | 274591 |
| 21 | 281249 |
| 22 | 285281 |
| 23 | 313471 |
| 24 | 318751 |
| 25 | 321247 |
| 26 | 324161 |
| 27 | 331937 |
| 28 | 336799 |
| 29 | 347489 |
| 30 | 378593 |