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 | 485 |
| 1 | 3482 |
| 2 | 19601 |
| 3 | 48842 |
| 4 | 91205 |
| 5 | 146690 |
| 6 | 215297 |
| 7 | 297026 |
| 8 | 391877 |
| 9 | 499850 |
| 10 | 620945 |
| 11 | 755162 |
| 12 | 902501 |
| 13 | 1062962 |
| 14 | 1236545 |
| 15 | 1423250 |
| 16 | 1623077 |
| 17 | 1836026 |
| 18 | 2062097 |
| 19 | 2301290 |
| 20 | 2553605 |
| 21 | 2819042 |
| 22 | 3097601 |
| 23 | 3389282 |
| 24 | 3694085 |
| 25 | 4012010 |
| 26 | 4343057 |
| 27 | 4687226 |