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 | 858 |
| 1 | 3139 |
| 2 | 13142 |
| 3 | 36807 |
| 4 | 80098 |
| 5 | 149003 |
| 6 | 249534 |
| 7 | 387727 |
| 8 | 569642 |
| 9 | 801363 |
| 10 | 1088998 |
| 11 | 1438679 |
| 12 | 1856562 |
| 13 | 2348827 |
| 14 | 2921678 |
| 15 | 3581343 |
| 16 | 4334074 |
| 17 | 5186147 |
| 18 | 6143862 |
| 19 | 7213543 |
| 20 | 8401538 |
| 21 | 9714219 |
| 22 | 11157982 |
| 23 | 12739247 |
| 24 | 14464458 |
| 25 | 16340083 |
| 26 | 18372614 |
| 27 | 20568567 |
| 28 | 22934482 |
| 29 | 25476923 |