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 | 221 |
| 2 | 273 |
| 3 | 312 |
| 4 | 364 |
| 5 | 377 |
| 6 | 429 |
| 7 | 481 |
| 8 | 533 |
| 9 | 572 |
| 10 | 728 |
| 11 | 741 |
| 12 | 949 |
| 13 | 988 |
| 14 | 1001 |
| 15 | 1144 |
| 16 | 1157 |
| 17 | 1196 |
| 18 | 1209 |
| 19 | 1261 |
| 20 | 1417 |
| 21 | 1469 |
| 22 | 1612 |
| 23 | 1729 |
| 24 | 1781 |
| 25 | 1833 |
| 26 | 1976 |