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 | 6 |
| 2 | 42 |
| 3 | 182 |
| 4 | 650 |
| 5 | 930 |
| 6 | 4830 |
| 7 | 7482 |
| 8 | 9506 |
| 9 | 12882 |
| 10 | 13572 |
| 11 | 16770 |
| 12 | 79242 |
| 13 | 167690 |
| 14 | 181902 |
| 15 | 228006 |
| 16 | 289982 |
| 17 | 380072 |
| 18 | 3480090 |
| 19 | 5209806 |
| 20 | 6872262 |
| 21 | 10102862 |
| 22 | 16068072 |
| 23 | 56002772 |
| 24 | 56648202 |
| 25 | 59174556 |
| 26 | 70299840 |
| 27 | 74831150 |
| 28 | 123287712 |
| 29 | 261517412 |
| 30 | 342601590 |
| 31 | 356322252 |
| 32 | 455459622 |
| 33 | 536223492 |
| 34 | 1057452842 |