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 | 135 |
| 2 | 2395 |
| 3 | 16434 |
| 4 | 53155 |
| 5 | 141147 |
| 6 | 293374 |
| 7 | 565767 |
| 8 | 966493 |
| 9 | 1580940 |
| 10 | 2411533 |
| 11 | 3581613 |
| 12 | 5070655 |
| 13 | 7057026 |
| 14 | 9493435 |
| 15 | 12594564 |
| 16 | 16307974 |
| 17 | 20902338 |
| 18 | 26269597 |
| 19 | 32760774 |
| 20 | 40217905 |
| 21 | 49049919 |
| 22 | 59090671 |
| 23 | 70803180 |