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 | 263 |
| 2 | 1039 |
| 3 | 1933 |
| 4 | 2221 |
| 5 | 3067 |
| 6 | 3137 |
| 7 | 5741 |
| 8 | 6343 |
| 9 | 6353 |
| 10 | 6971 |
| 11 | 7481 |
| 12 | 8821 |
| 13 | 9103 |
| 14 | 10247 |
| 15 | 11251 |
| 16 | 12347 |
| 17 | 13037 |
| 18 | 13339 |
| 19 | 13457 |
| 20 | 13933 |
| 21 | 14437 |
| 22 | 16451 |
| 23 | 17317 |
| 24 | 18041 |
| 25 | 21617 |
| 26 | 26309 |
| 27 | 26339 |
| 28 | 30091 |
| 29 | 30293 |
| 30 | 31177 |
| 31 | 32009 |
| 32 | 34471 |
| 33 | 35227 |
| 34 | 36307 |
| 35 | 36433 |
| 36 | 37117 |
| 37 | 41131 |
| 38 | 41333 |
| 39 | 41801 |
| 40 | 43781 |