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 | 16 |
| 3 | 39 |
| 4 | 80 |
| 5 | 145 |
| 6 | 240 |
| 7 | 371 |
| 8 | 544 |
| 9 | 765 |
| 10 | 1040 |
| 11 | 1375 |
| 12 | 1776 |
| 13 | 2249 |
| 14 | 2800 |
| 15 | 3435 |
| 16 | 4160 |
| 17 | 4981 |
| 18 | 5904 |
| 19 | 6935 |
| 20 | 8080 |
| 21 | 9345 |
| 22 | 10736 |
| 23 | 12259 |
| 24 | 13920 |
| 25 | 15725 |
| 26 | 17680 |
| 27 | 19791 |
| 28 | 22064 |
| 29 | 24505 |
| 30 | 27120 |
| 31 | 29915 |
| 32 | 32896 |
| 33 | 36069 |
| 34 | 39440 |
| 35 | 43015 |
| 36 | 46800 |
| 37 | 50801 |
| 38 | 55024 |
| 39 | 59475 |
| 40 | 64160 |