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 | 1 |
| 3 | 14 |
| 4 | 43 |
| 5 | 94 |
| 6 | 173 |
| 7 | 286 |
| 8 | 439 |
| 9 | 638 |
| 10 | 889 |
| 11 | 1198 |
| 12 | 1571 |
| 13 | 2014 |
| 14 | 2533 |
| 15 | 3134 |
| 16 | 3823 |
| 17 | 4606 |
| 18 | 5489 |
| 19 | 6478 |
| 20 | 7579 |
| 21 | 8798 |
| 22 | 10141 |
| 23 | 11614 |
| 24 | 13223 |
| 25 | 14974 |
| 26 | 16873 |
| 27 | 18926 |
| 28 | 21139 |
| 29 | 23518 |
| 30 | 26069 |
| 31 | 28798 |
| 32 | 31711 |
| 33 | 34814 |
| 34 | 38113 |
| 35 | 41614 |
| 36 | 45323 |
| 37 | 49246 |
| 38 | 53389 |
| 39 | 57758 |
| 40 | 62359 |
| 41 | 67198 |
| 42 | 72281 |