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 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 28 |
| 5 | 33 |
| 6 | 56 |
| 7 | 63 |
| 8 | 285 |
| 9 | 318 |
| 10 | 343 |
| 11 | 354 |
| 12 | 577 |
| 13 | 590 |
| 14 | 617 |
| 15 | 652 |
| 16 | 2874 |
| 17 | 2891 |
| 18 | 3124 |
| 19 | 3143 |
| 20 | 3368 |
| 21 | 3405 |
| 22 | 3616 |
| 23 | 3639 |
| 24 | 5862 |
| 25 | 5917 |
| 26 | 6130 |
| 27 | 6463 |
| 28 | 6690 |
| 29 | 6719 |
| 30 | 6954 |
| 31 | 6985 |
| 32 | 29207 |
| 33 | 29518 |
| 34 | 29735 |
| 35 | 29792 |
| 36 | 32025 |
| 37 | 32062 |
| 38 | 32281 |
| 39 | 32594 |
| 40 | 34819 |
| 41 | 34860 |
| 42 | 35097 |
| 43 | 35140 |
| 44 | 37351 |
| 45 | 37686 |
| 46 | 37909 |
| 47 | 37956 |
| 48 | 60179 |
| 49 | 60256 |
| 50 | 60511 |