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 | 36 |
| 2 | 345 |
| 3 | 3236 |
| 4 | 18143 |
| 5 | 73988 |
| 6 | 197949 |
| 7 | 396488 |
| 8 | 940083 |
| 9 | 2280068 |
| 10 | 4535323 |
| 11 | 6219898 |
| 12 | 12556597 |
| 13 | 21778114 |
| 14 | 37625779 |
| 15 | 59656736 |
| 16 | 74529439 |
| 17 | 127085928 |
| 18 | 182325201 |
| 19 | 281772734 |
| 20 | 402272779 |
| 21 | 478748680 |
| 22 | 702649285 |
| 23 | 917558424 |
| 24 | 1352825865 |
| 25 | 1790333160 |