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 | 67 |
| 2 | 167 |
| 3 | 367 |
| 4 | 467 |
| 5 | 967 |
| 6 | 1367 |
| 7 | 1567 |
| 8 | 1667 |
| 9 | 1867 |
| 10 | 2267 |
| 11 | 2467 |
| 12 | 2767 |
| 13 | 3067 |
| 14 | 3167 |
| 15 | 3467 |
| 16 | 3767 |
| 17 | 3967 |
| 18 | 4567 |
| 19 | 4967 |
| 20 | 5167 |
| 21 | 5867 |
| 22 | 6067 |
| 23 | 6367 |
| 24 | 6967 |
| 25 | 7867 |
| 26 | 8167 |
| 27 | 8467 |
| 28 | 8867 |
| 29 | 9067 |
| 30 | 9467 |
| 31 | 9767 |
| 32 | 9967 |
| 33 | 10067 |
| 34 | 10267 |
| 35 | 10567 |
| 36 | 10667 |
| 37 | 10867 |
| 38 | 11467 |
| 39 | 11867 |
| 40 | 12967 |
| 41 | 13267 |