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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 5 |
| 3 | 13 |
| 4 | 29 |
| 5 | 51 |
| 6 | 75 |
| 7 | 97 |
| 8 | 137 |
| 9 | 177 |
| 10 | 209 |
| 11 | 241 |
| 12 | 297 |
| 13 | 371 |
| 14 | 467 |
| 15 | 517 |
| 16 | 605 |
| 17 | 677 |
| 18 | 709 |
| 19 | 757 |
| 20 | 829 |
| 21 | 933 |
| 22 | 1061 |
| 23 | 1173 |
| 24 | 1317 |
| 25 | 1461 |
| 26 | 1613 |
| 27 | 1709 |
| 28 | 1861 |
| 29 | 2039 |
| 30 | 2279 |
| 31 | 2401 |
| 32 | 2585 |
| 33 | 2721 |
| 34 | 2753 |
| 35 | 2801 |
| 36 | 2873 |
| 37 | 2981 |
| 38 | 3125 |
| 39 | 3269 |
| 40 | 3453 |
| 41 | 3641 |
| 42 | 3841 |
| 43 | 4017 |
| 44 | 4289 |
| 45 | 4563 |
| 46 | 4979 |
| 47 | 5229 |