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 | 4 |
| 2 | 11 |
| 3 | 29 |
| 4 | 71 |
| 5 | 129 |
| 6 | 203 |
| 7 | 293 |
| 8 | 399 |
| 9 | 521 |
| 10 | 659 |
| 11 | 813 |
| 12 | 983 |
| 13 | 1169 |
| 14 | 1371 |
| 15 | 1589 |
| 16 | 1823 |
| 17 | 2073 |
| 18 | 2339 |
| 19 | 2621 |
| 20 | 2919 |
| 21 | 3233 |
| 22 | 3563 |
| 23 | 3909 |
| 24 | 4271 |
| 25 | 4649 |
| 26 | 5043 |
| 27 | 5453 |
| 28 | 5879 |
| 29 | 6321 |
| 30 | 6779 |
| 31 | 7253 |
| 32 | 7743 |
| 33 | 8249 |
| 34 | 8771 |
| 35 | 9309 |
| 36 | 9863 |
| 37 | 10433 |
| 38 | 11019 |
| 39 | 11621 |
| 40 | 12239 |
| 41 | 12873 |
| 42 | 13523 |
| 43 | 14189 |