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) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 8 |
| 4 | 101 |
| 5 | 242 |
| 6 | 404 |
| 7 | 585 |
| 8 | 909 |
| 9 | 10001 |
| 10 | 12221 |
| 11 | 14841 |
| 12 | 20402 |
| 13 | 24642 |
| 14 | 40004 |
| 15 | 44244 |
| 16 | 48884 |
| 17 | 50805 |
| 18 | 90009 |
| 19 | 96269 |
| 20 | 1000001 |
| 21 | 1030301 |
| 22 | 1080801 |
| 23 | 1210121 |
| 24 | 1244421 |
| 25 | 1298921 |
| 26 | 1440441 |
| 27 | 1478741 |
| 28 | 1690961 |
| 29 | 2004002 |
| 30 | 2234322 |
| 31 | 2468642 |
| 32 | 2484842 |
| 33 | 4000004 |
| 34 | 4050504 |
| 35 | 4410144 |