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 | 101 |
| 2 | 401 |
| 3 | 601 |
| 4 | 701 |
| 5 | 1201 |
| 6 | 1301 |
| 7 | 1601 |
| 8 | 1801 |
| 9 | 1901 |
| 10 | 2801 |
| 11 | 3001 |
| 12 | 3301 |
| 13 | 3701 |
| 14 | 4001 |
| 15 | 4201 |
| 16 | 4801 |
| 17 | 5101 |
| 18 | 5501 |
| 19 | 5701 |
| 20 | 5801 |
| 21 | 6101 |
| 22 | 6301 |
| 23 | 6701 |
| 24 | 7001 |
| 25 | 7901 |
| 26 | 8101 |
| 27 | 8501 |
| 28 | 9001 |
| 29 | 9601 |
| 30 | 9901 |
| 31 | 10301 |
| 32 | 10501 |
| 33 | 10601 |
| 34 | 11701 |
| 35 | 11801 |
| 36 | 12101 |
| 37 | 12301 |
| 38 | 12401 |
| 39 | 12601 |
| 40 | 13001 |
| 41 | 13901 |
| 42 | 14401 |
| 43 | 15101 |