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 | 1 |
| 2 | 3 |
| 3 | 9 |
| 4 | 11 |
| 5 | 17 |
| 6 | 33 |
| 7 | 51 |
| 8 | 73 |
| 9 | 99 |
| 10 | 101 |
| 11 | 137 |
| 12 | 153 |
| 13 | 187 |
| 14 | 219 |
| 15 | 303 |
| 16 | 411 |
| 17 | 561 |
| 18 | 657 |
| 19 | 803 |
| 20 | 909 |
| 21 | 1111 |
| 22 | 1233 |
| 23 | 1241 |
| 24 | 1507 |
| 25 | 1683 |
| 26 | 1717 |
| 27 | 2329 |
| 28 | 2409 |
| 29 | 3333 |
| 30 | 3723 |
| 31 | 4521 |
| 32 | 5151 |
| 33 | 6987 |
| 34 | 7227 |
| 35 | 7373 |
| 36 | 9999 |
| 37 | 10001 |
| 38 | 11169 |
| 39 | 13563 |
| 40 | 13651 |
| 41 | 13837 |
| 42 | 15453 |
| 43 | 18887 |
| 44 | 20961 |
| 45 | 22119 |
| 46 | 25619 |