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 | 3 |
| 2 | 13 |
| 3 | 31 |
| 4 | 139 |
| 5 | 181 |
| 6 | 211 |
| 7 | 229 |
| 8 | 271 |
| 9 | 523 |
| 10 | 619 |
| 11 | 751 |
| 12 | 853 |
| 13 | 1063 |
| 14 | 1483 |
| 15 | 1699 |
| 16 | 2791 |
| 17 | 3361 |
| 18 | 3463 |
| 19 | 3541 |
| 20 | 3769 |
| 21 | 4051 |
| 22 | 4201 |
| 23 | 4801 |
| 24 | 4861 |
| 25 | 4903 |
| 26 | 5521 |
| 27 | 5689 |
| 28 | 5701 |
| 29 | 6163 |
| 30 | 6211 |
| 31 | 6763 |
| 32 | 6823 |
| 33 | 6949 |
| 34 | 7621 |
| 35 | 8059 |
| 36 | 8269 |
| 37 | 8389 |
| 38 | 8419 |
| 39 | 8563 |
| 40 | 8689 |
| 41 | 8713 |
| 42 | 9001 |
| 43 | 9103 |
| 44 | 9319 |
| 45 | 10303 |