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 | 23 |
| 2 | 94 |
| 3 | 213 |
| 4 | 475 |
| 5 | 833 |
| 6 | 1573 |
| 7 | 2505 |
| 8 | 4202 |
| 9 | 6450 |
| 10 | 10038 |
| 11 | 14728 |
| 12 | 22099 |
| 13 | 31411 |
| 14 | 45225 |
| 15 | 63184 |
| 16 | 88473 |
| 17 | 120879 |
| 18 | 165935 |
| 19 | 222950 |
| 20 | 300333 |
| 21 | 398376 |
| 22 | 528054 |
| 23 | 691505 |
| 24 | 905625 |
| 25 | 1172842 |
| 26 | 1517628 |
| 27 | 1947470 |
| 28 | 2494778 |
| 29 | 3172675 |
| 30 | 4029276 |
| 31 | 5083606 |
| 32 | 6403683 |
| 33 | 8023113 |