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 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 11 |
| 5 | 17 |
| 6 | 27 |
| 7 | 41 |
| 8 | 65 |
| 9 | 99 |
| 10 | 157 |
| 11 | 239 |
| 12 | 379 |
| 13 | 577 |
| 14 | 915 |
| 15 | 1393 |
| 16 | 2209 |
| 17 | 3363 |
| 18 | 5333 |
| 19 | 8119 |
| 20 | 12875 |
| 21 | 19601 |
| 22 | 31083 |
| 23 | 47321 |
| 24 | 75041 |
| 25 | 114243 |
| 26 | 181165 |
| 27 | 275807 |
| 28 | 437371 |
| 29 | 665857 |
| 30 | 1055907 |
| 31 | 1607521 |
| 32 | 2549185 |
| 33 | 3880899 |
| 34 | 6154277 |
| 35 | 9369319 |
| 36 | 14857739 |
| 37 | 22619537 |
| 38 | 35869755 |
| 39 | 54608393 |
| 40 | 86597249 |
| 41 | 131836323 |
| 42 | 209064253 |
| 43 | 318281039 |
| 44 | 504725755 |
| 45 | 768398401 |
| 46 | 1218515763 |
| 47 | 1855077841 |
| 48 | 2941757281 |
| 49 | 4478554083 |