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) |
|---|---|
| 1 | 0 |
| 2 | 6 |
| 3 | 23 |
| 4 | 55 |
| 5 | 108 |
| 6 | 187 |
| 7 | 297 |
| 8 | 443 |
| 9 | 631 |
| 10 | 866 |
| 11 | 1152 |
| 12 | 1496 |
| 13 | 1902 |
| 14 | 2376 |
| 15 | 2922 |
| 16 | 3547 |
| 17 | 4254 |
| 18 | 5050 |
| 19 | 5940 |
| 20 | 6928 |
| 21 | 8020 |
| 22 | 9221 |
| 23 | 10536 |
| 24 | 11971 |
| 25 | 13531 |
| 26 | 15221 |
| 27 | 17045 |
| 28 | 19010 |
| 29 | 21121 |
| 30 | 23382 |
| 31 | 25799 |
| 32 | 28377 |
| 33 | 31122 |
| 34 | 34038 |
| 35 | 37130 |
| 36 | 40405 |
| 37 | 43866 |
| 38 | 47520 |
| 39 | 51371 |
| 40 | 55425 |
| 41 | 59687 |