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 | 18 |
| 2 | 27 |
| 3 | 153 |
| 4 | 803 |
| 5 | 1101 |
| 6 | 1503 |
| 7 | 1926 |
| 8 | 3070 |
| 9 | 3077 |
| 10 | 3546 |
| 11 | 4577 |
| 12 | 6246 |
| 13 | 6315 |
| 14 | 8717 |
| 15 | 10566 |
| 16 | 11646 |
| 17 | 14093 |
| 18 | 15310 |
| 19 | 15426 |
| 20 | 18456 |
| 21 | 24936 |
| 22 | 30617 |
| 23 | 33576 |
| 24 | 34326 |
| 25 | 43079 |
| 26 | 50418 |
| 27 | 59026 |
| 28 | 62004 |
| 29 | 69781 |
| 30 | 71009 |
| 31 | 71802 |
| 32 | 72587 |
| 33 | 74616 |
| 34 | 77593 |
| 35 | 80118 |
| 36 | 94056 |
| 37 | 110138 |
| 38 | 111546 |
| 39 | 112626 |
| 40 | 113166 |