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 | 12 |
| 3 | 62 |
| 4 | 202 |
| 5 | 576 |
| 6 | 1304 |
| 7 | 2698 |
| 8 | 4902 |
| 9 | 8444 |
| 10 | 14244 |
| 11 | 22242 |
| 12 | 34082 |
| 13 | 50236 |
| 14 | 70704 |
| 15 | 97118 |
| 16 | 131886 |
| 17 | 176844 |
| 18 | 230524 |
| 19 | 297658 |
| 20 | 378314 |
| 21 | 471608 |
| 22 | 584104 |
| 23 | 715410 |
| 24 | 870982 |
| 25 | 1057804 |
| 26 | 1271924 |
| 27 | 1511090 |
| 28 | 1781586 |
| 29 | 2080464 |
| 30 | 2414944 |
| 31 | 2819566 |
| 32 | 3270206 |