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 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 41 |
| 5 | 113 |
| 6 | 761 |
| 7 | 1201 |
| 8 | 1741 |
| 9 | 1861 |
| 10 | 2113 |
| 11 | 9661 |
| 12 | 9941 |
| 13 | 12641 |
| 14 | 13613 |
| 15 | 15313 |
| 16 | 21841 |
| 17 | 23981 |
| 18 | 30013 |
| 19 | 34061 |
| 20 | 47741 |
| 21 | 49613 |
| 22 | 60901 |
| 23 | 70313 |
| 24 | 83641 |
| 25 | 101701 |
| 26 | 237361 |
| 27 | 241513 |
| 28 | 252761 |
| 29 | 303421 |
| 30 | 335381 |
| 31 | 377581 |
| 32 | 413141 |
| 33 | 489061 |
| 34 | 491041 |
| 35 | 525313 |
| 36 | 529421 |
| 37 | 637321 |
| 38 | 695021 |
| 39 | 718801 |