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 | 5 |
| 2 | 7 |
| 3 | 9 |
| 4 | 17 |
| 5 | 19 |
| 6 | 51 |
| 7 | 53 |
| 8 | 81 |
| 9 | 83 |
| 10 | 119 |
| 11 | 189 |
| 12 | 219 |
| 13 | 227 |
| 14 | 301 |
| 15 | 455 |
| 16 | 461 |
| 17 | 623 |
| 18 | 2037 |
| 19 | 2221 |
| 20 | 2455 |
| 21 | 3547 |
| 22 | 5515 |
| 23 | 6825 |
| 24 | 8303 |
| 25 | 9029 |
| 26 | 12103 |
| 27 | 49989 |
| 28 | 55525 |
| 29 | 64773 |
| 30 | 80307 |
| 31 | 119087 |
| 32 | 141915 |
| 33 | 192023 |
| 34 | 205933 |
| 35 | 301683 |
| 36 | 307407 |