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 | 19 |
| 2 | 61 |
| 3 | 127 |
| 4 | 331 |
| 5 | 631 |
| 6 | 1801 |
| 7 | 3169 |
| 8 | 3571 |
| 9 | 5419 |
| 10 | 8269 |
| 11 | 13267 |
| 12 | 16651 |
| 13 | 19441 |
| 14 | 24571 |
| 15 | 55897 |
| 16 | 59221 |
| 17 | 145861 |
| 18 | 151201 |
| 19 | 176419 |
| 20 | 246247 |
| 21 | 260191 |
| 22 | 292969 |
| 23 | 347821 |
| 24 | 360187 |
| 25 | 368551 |
| 26 | 377011 |
| 27 | 398581 |
| 28 | 698419 |
| 29 | 733591 |
| 30 | 863497 |
| 31 | 915769 |
| 32 | 929077 |
| 33 | 990151 |
| 34 | 1024921 |
| 35 | 1155061 |
| 36 | 1177507 |
| 37 | 1324681 |
| 38 | 1372957 |
| 39 | 1618471 |
| 40 | 1980469 |