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 | 153 |
| 2 | 575 |
| 3 | 1393 |
| 4 | 2958 |
| 5 | 5754 |
| 6 | 10426 |
| 7 | 17879 |
| 8 | 29268 |
| 9 | 46126 |
| 10 | 70322 |
| 11 | 104253 |
| 12 | 150764 |
| 13 | 213380 |
| 14 | 296204 |
| 15 | 404213 |
| 16 | 543086 |
| 17 | 719592 |
| 18 | 941366 |
| 19 | 1217343 |
| 20 | 1557506 |
| 21 | 1973400 |
| 22 | 2477778 |
| 23 | 3085247 |
| 24 | 3811830 |
| 25 | 4675676 |
| 26 | 5696580 |
| 27 | 6896795 |
| 28 | 8300422 |
| 29 | 9934376 |