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 | 5 |
| 1 | 6 |
| 2 | 11 |
| 3 | 17 |
| 4 | 181 |
| 5 | 198 |
| 6 | 379 |
| 7 | 577 |
| 8 | 6149 |
| 9 | 6726 |
| 10 | 12875 |
| 11 | 19601 |
| 12 | 208885 |
| 13 | 228486 |
| 14 | 437371 |
| 15 | 665857 |
| 16 | 7095941 |
| 17 | 7761798 |
| 18 | 14857739 |
| 19 | 22619537 |
| 20 | 241053109 |
| 21 | 263672646 |
| 22 | 504725755 |
| 23 | 768398401 |
| 24 | 8188709765 |
| 25 | 8957108166 |
| 26 | 17145817931 |
| 27 | 26102926097 |
| 28 | 278175078901 |
| 29 | 304278004998 |