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 | 52 |
| 2 | 202 |
| 3 | 813 |
| 4 | 3046 |
| 5 | 10096 |
| 6 | 29503 |
| 7 | 77078 |
| 8 | 183074 |
| 9 | 401337 |
| 10 | 822277 |
| 11 | 1590604 |
| 12 | 2928879 |
| 13 | 5168035 |
| 14 | 8786128 |
| 15 | 14456683 |
| 16 | 23108105 |
| 17 | 35995730 |
| 18 | 54788196 |
| 19 | 81669919 |
| 20 | 119461564 |
| 21 | 171760506 |
| 22 | 243103381 |
| 23 | 339152932 |
| 24 | 466911460 |
| 25 | 634963295 |
| 26 | 853748807 |
| 27 | 1135872582 |