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 | 0 |
| 1 | 4 |
| 2 | 7 |
| 3 | 26 |
| 4 | 28 |
| 5 | 127 |
| 6 | 306 |
| 7 | 348 |
| 8 | 398 |
| 9 | 301 |
| 10 | 308 |
| 11 | 203 |
| 12 | 311 |
| 13 | 783 |
| 14 | 294 |
| 15 | 350 |
| 16 | 199 |
| 17 | 296 |
| 18 | 4268 |
| 19 | 16595 |
| 20 | 5326 |
| 21 | 4253 |
| 22 | 17399 |
| 23 | 8235 |
| 24 | 6189 |
| 25 | 4270 |
| 26 | 3107 |
| 27 | 1270 |
| 28 | 1532 |
| 29 | 511 |
| 30 | 67816 |
| 31 | 65975 |
| 32 | 24670 |
| 33 | 12395 |
| 34 | 4282 |
| 35 | 3119 |
| 36 | 28799 |
| 37 | 16861 |
| 38 | 18164 |
| 39 | 66268 |
| 40 | 45087 |
| 41 | 71164 |
| 42 | 309234 |