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 | 114 |
| 2 | 1691 |
| 3 | 11472 |
| 4 | 50995 |
| 5 | 173606 |
| 6 | 491533 |
| 7 | 1215616 |
| 8 | 2710413 |
| 9 | 5567530 |
| 10 | 10700151 |
| 11 | 19461872 |
| 12 | 33793071 |
| 13 | 56398174 |
| 14 | 90957305 |
| 15 | 142375936 |
| 16 | 217076281 |
| 17 | 323334306 |
| 18 | 471666355 |
| 19 | 675269520 |
| 20 | 950520011 |
| 21 | 1317533910 |
| 22 | 1800794821 |
| 23 | 2429853056 |