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 | 9 |
| 2 | 35 |
| 3 | 78 |
| 4 | 138 |
| 5 | 215 |
| 6 | 309 |
| 7 | 420 |
| 8 | 548 |
| 9 | 693 |
| 10 | 855 |
| 11 | 1034 |
| 12 | 1230 |
| 13 | 1443 |
| 14 | 1673 |
| 15 | 1920 |
| 16 | 2184 |
| 17 | 2465 |
| 18 | 2763 |
| 19 | 3078 |
| 20 | 3410 |
| 21 | 3759 |
| 22 | 4125 |
| 23 | 4508 |
| 24 | 4908 |
| 25 | 5325 |
| 26 | 5759 |
| 27 | 6210 |
| 28 | 6678 |
| 29 | 7163 |
| 30 | 7665 |
| 31 | 8184 |
| 32 | 8720 |
| 33 | 9273 |
| 34 | 9843 |
| 35 | 10430 |
| 36 | 11034 |
| 37 | 11655 |
| 38 | 12293 |
| 39 | 12948 |
| 40 | 13620 |
| 41 | 14309 |
| 42 | 15015 |