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 | 13 |
| 2 | 41 |
| 3 | 313 |
| 4 | 421 |
| 5 | 1013 |
| 6 | 1201 |
| 7 | 1861 |
| 8 | 2113 |
| 9 | 2381 |
| 10 | 3613 |
| 11 | 5101 |
| 12 | 7321 |
| 13 | 9941 |
| 14 | 10513 |
| 15 | 13613 |
| 16 | 14281 |
| 17 | 16381 |
| 18 | 20201 |
| 19 | 21013 |
| 20 | 21841 |
| 21 | 24421 |
| 22 | 30013 |
| 23 | 34061 |
| 24 | 41761 |
| 25 | 47741 |
| 26 | 51521 |
| 27 | 52813 |
| 28 | 54121 |
| 29 | 59513 |
| 30 | 60901 |
| 31 | 82013 |
| 32 | 83641 |
| 33 | 90313 |
| 34 | 97241 |
| 35 | 99013 |
| 36 | 100801 |
| 37 | 106261 |