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 | 6 |
| 2 | 11 |
| 3 | 15 |
| 4 | 27 |
| 5 | 42 |
| 6 | 113 |
| 7 | 135 |
| 8 | 186 |
| 9 | 207 |
| 10 | 503 |
| 11 | 2999 |
| 12 | 3005 |
| 13 | 3487 |
| 14 | 5718 |
| 15 | 7265 |
| 16 | 7629 |
| 17 | 11987 |
| 18 | 16063 |
| 19 | 27379 |
| 20 | 64770 |
| 21 | 73579 |
| 22 | 96504 |
| 23 | 116557 |