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 | 13 |
| 2 | 162 |
| 3 | 1238 |
| 4 | 5104 |
| 5 | 16594 |
| 6 | 43727 |
| 7 | 101743 |
| 8 | 211461 |
| 9 | 408430 |
| 10 | 735896 |
| 11 | 1261599 |
| 12 | 2064329 |
| 13 | 3259612 |
| 14 | 4975687 |
| 15 | 7395946 |
| 16 | 10715635 |
| 17 | 15205983 |
| 18 | 21151890 |
| 19 | 28937100 |
| 20 | 38956477 |
| 21 | 51737361 |
| 22 | 67810309 |
| 23 | 87873466 |
| 24 | 112625630 |
| 25 | 142969752 |
| 26 | 179799242 |