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 | 2 |
| 2 | 7 |
| 3 | 10 |
| 4 | 21 |
| 5 | 66 |
| 6 | 213 |
| 7 | 246 |
| 8 | 273 |
| 9 | 454 |
| 10 | 673 |
| 11 | 700 |
| 12 | 727 |
| 13 | 934 |
| 14 | 2451 |
| 15 | 2766 |
| 16 | 2799 |
| 17 | 3006 |
| 18 | 3099 |
| 19 | 3396 |
| 20 | 234665 |
| 21 | 234758 |
| 22 | 234977 |
| 23 | 235004 |
| 24 | 235013 |
| 25 | 434216 |
| 26 | 436951 |
| 27 | 436978 |
| 28 | 437005 |
| 29 | 437128 |
| 30 | 437155 |
| 31 | 437708 |
| 32 | 437735 |
| 33 | 437762 |
| 34 | 438017 |
| 35 | 438044 |
| 36 | 438145 |
| 37 | 438314 |
| 38 | 438341 |