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 | 1 |
| 2 | 29 |
| 3 | 84 |
| 4 | 166 |
| 5 | 275 |
| 6 | 411 |
| 7 | 574 |
| 8 | 764 |
| 9 | 981 |
| 10 | 1225 |
| 11 | 1496 |
| 12 | 1794 |
| 13 | 2119 |
| 14 | 2471 |
| 15 | 2850 |
| 16 | 3256 |
| 17 | 3689 |
| 18 | 4149 |
| 19 | 4636 |
| 20 | 5150 |
| 21 | 5691 |
| 22 | 6259 |
| 23 | 6854 |
| 24 | 7476 |
| 25 | 8125 |
| 26 | 8801 |
| 27 | 9504 |
| 28 | 10234 |
| 29 | 10991 |
| 30 | 11775 |
| 31 | 12586 |
| 32 | 13424 |
| 33 | 14289 |
| 34 | 15181 |
| 35 | 16100 |
| 36 | 17046 |
| 37 | 18019 |
| 38 | 19019 |
| 39 | 20046 |
| 40 | 21100 |