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 | 1 |
| 1 | 6 |
| 2 | 21 |
| 3 | 51 |
| 4 | 106 |
| 5 | 201 |
| 6 | 361 |
| 7 | 626 |
| 8 | 1061 |
| 9 | 1771 |
| 10 | 2926 |
| 11 | 4801 |
| 12 | 7841 |
| 13 | 12766 |
| 14 | 20741 |
| 15 | 33651 |
| 16 | 54546 |
| 17 | 88361 |
| 18 | 143081 |
| 19 | 231626 |
| 20 | 374901 |
| 21 | 606731 |
| 22 | 981846 |
| 23 | 1588801 |
| 24 | 2570881 |
| 25 | 4159926 |
| 26 | 6731061 |
| 27 | 10891251 |
| 28 | 17622586 |
| 29 | 28514121 |
| 30 | 46137001 |
| 31 | 74651426 |
| 32 | 120788741 |
| 33 | 195440491 |
| 34 | 316229566 |