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 | 5 |
| 2 | 21 |
| 3 | 48 |
| 4 | 86 |
| 5 | 135 |
| 6 | 195 |
| 7 | 266 |
| 8 | 348 |
| 9 | 441 |
| 10 | 545 |
| 11 | 660 |
| 12 | 786 |
| 13 | 923 |
| 14 | 1071 |
| 15 | 1230 |
| 16 | 1400 |
| 17 | 1581 |
| 18 | 1773 |
| 19 | 1976 |
| 20 | 2190 |
| 21 | 2415 |
| 22 | 2651 |
| 23 | 2898 |
| 24 | 3156 |
| 25 | 3425 |
| 26 | 3705 |
| 27 | 3996 |
| 28 | 4298 |
| 29 | 4611 |
| 30 | 4935 |
| 31 | 5270 |
| 32 | 5616 |
| 33 | 5973 |
| 34 | 6341 |
| 35 | 6720 |
| 36 | 7110 |
| 37 | 7511 |
| 38 | 7923 |
| 39 | 8346 |
| 40 | 8780 |
| 41 | 9225 |
| 42 | 9681 |
| 43 | 10148 |
| 44 | 10626 |
| 45 | 11115 |