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 | 63 |
| 1 | 910 |
| 2 | 6083 |
| 3 | 27483 |
| 4 | 97188 |
| 5 | 289884 |
| 6 | 762048 |
| 7 | 1816248 |
| 8 | 4001613 |
| 9 | 8264718 |
| 10 | 16168867 |
| 11 | 30204083 |
| 12 | 54215070 |
| 13 | 93980040 |
| 14 | 157979640 |
| 15 | 258402312 |
| 16 | 412440315 |
| 17 | 643939374 |
| 18 | 985474539 |
| 19 | 1480935379 |
| 20 | 2188715144 |
| 21 | 3185611044 |
| 22 | 4571556360 |
| 23 | 6475319760 |
| 24 | 9061322985 |
| 25 | 12537745038 |