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 | 6 |
| 3 | 16 |
| 4 | 26 |
| 5 | 36 |
| 6 | 56 |
| 7 | 86 |
| 8 | 106 |
| 9 | 116 |
| 10 | 136 |
| 11 | 176 |
| 12 | 216 |
| 13 | 246 |
| 14 | 296 |
| 15 | 366 |
| 16 | 406 |
| 17 | 416 |
| 18 | 436 |
| 19 | 476 |
| 20 | 536 |
| 21 | 616 |