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 | 16 |
| 3 | 58 |
| 4 | 140 |
| 5 | 275 |
| 6 | 476 |
| 7 | 756 |
| 8 | 1128 |
| 9 | 1605 |
| 10 | 2200 |
| 11 | 2926 |
| 12 | 3796 |
| 13 | 4823 |
| 14 | 6020 |
| 15 | 7400 |
| 16 | 8976 |
| 17 | 10761 |
| 18 | 12768 |
| 19 | 15010 |
| 20 | 17500 |
| 21 | 20251 |
| 22 | 23276 |
| 23 | 26588 |
| 24 | 30200 |
| 25 | 34125 |
| 26 | 38376 |
| 27 | 42966 |
| 28 | 47908 |
| 29 | 53215 |
| 30 | 58900 |
| 31 | 64976 |
| 32 | 71456 |
| 33 | 78353 |
| 34 | 85680 |
| 35 | 93450 |
| 36 | 101676 |
| 37 | 110371 |
| 38 | 119548 |
| 39 | 129220 |