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 | 19 |
| 3 | 43 |
| 4 | 163 |
| 5 | 283 |
| 6 | 523 |
| 7 | 2203 |
| 8 | 2803 |
| 9 | 4483 |
| 10 | 5323 |
| 11 | 6883 |
| 12 | 9403 |
| 13 | 11443 |
| 14 | 12763 |
| 15 | 27883 |
| 16 | 37243 |
| 17 | 38803 |
| 18 | 69163 |
| 19 | 85843 |
| 20 | 100483 |
| 21 | 134683 |
| 22 | 139123 |
| 23 | 146683 |
| 24 | 208843 |
| 25 | 214363 |
| 26 | 218083 |
| 27 | 237163 |
| 28 | 253003 |
| 29 | 310243 |
| 30 | 351643 |
| 31 | 368443 |
| 32 | 413443 |
| 33 | 418603 |
| 34 | 452923 |
| 35 | 458323 |