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 | 41 |
| 2 | 123 |
| 3 | 246 |
| 4 | 410 |
| 5 | 615 |
| 6 | 861 |
| 7 | 1148 |
| 8 | 1476 |
| 9 | 1845 |
| 10 | 2255 |
| 11 | 2706 |
| 12 | 3198 |
| 13 | 3731 |
| 14 | 4305 |
| 15 | 4920 |
| 16 | 5576 |
| 17 | 6273 |
| 18 | 7011 |
| 19 | 7790 |
| 20 | 8610 |
| 21 | 9471 |
| 22 | 10373 |
| 23 | 11316 |
| 24 | 12300 |
| 25 | 13325 |
| 26 | 14391 |
| 27 | 15498 |
| 28 | 16646 |
| 29 | 17835 |
| 30 | 19065 |
| 31 | 20336 |
| 32 | 21648 |
| 33 | 23001 |
| 34 | 24395 |
| 35 | 25830 |
| 36 | 27306 |
| 37 | 28823 |
| 38 | 30381 |
| 39 | 31980 |