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 | 7 |
| 2 | 13 |
| 3 | 18 |
| 4 | 22 |
| 5 | 25 |
| 6 | 27 |
| 7 | 35 |
| 8 | 43 |
| 9 | 51 |
| 10 | 59 |
| 11 | 67 |
| 12 | 75 |
| 13 | 83 |
| 14 | 91 |
| 15 | 99 |
| 16 | 107 |
| 17 | 115 |
| 18 | 123 |
| 19 | 131 |
| 20 | 139 |
| 21 | 147 |