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 | 5 |
| 2 | 25 |
| 3 | 77 |
| 4 | 179 |
| 5 | 355 |
| 6 | 609 |
| 7 | 995 |
| 8 | 1497 |
| 9 | 2167 |
| 10 | 2999 |
| 11 | 4069 |
| 12 | 5289 |
| 13 | 6841 |
| 14 | 8595 |
| 15 | 10661 |
| 16 | 13023 |
| 17 | 15777 |
| 18 | 18795 |
| 19 | 22305 |
| 20 | 26085 |
| 21 | 30397 |
| 22 | 35107 |
| 23 | 40381 |
| 24 | 45929 |
| 25 | 52247 |
| 26 | 58929 |
| 27 | 66287 |
| 28 | 74139 |
| 29 | 82767 |
| 30 | 91643 |
| 31 | 101701 |
| 32 | 112013 |
| 33 | 123235 |