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 | 1 |
| 2 | 8 |
| 3 | 10 |
| 4 | 14 |
| 5 | 36 |
| 6 | 45 |
| 7 | 88 |
| 8 | 102 |
| 9 | 114 |
| 10 | 432 |
| 11 | 4369 |
| 12 | 9183 |
| 13 | 15670 |
| 14 | 31307 |
| 15 | 103514 |
| 16 | 511249 |
| 17 | 1673274 |
| 18 | 2394998 |
| 19 | 3225410 |
| 20 | 4732293 |
| 21 | 54612351 |
| 22 | 55335052 |
| 23 | 220482735 |
| 24 | 39208626697 |
| 25 | 290846809341 |
| 26 | 296349507792 |
| 27 | 2280942643369 |
| 28 | 2891972596111 |