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 | 8 |
| 2 | 8 |
| 3 | 19 |
| 4 | 53 |
| 5 | 113 |
| 6 | 256 |
| 7 | 541 |
| 8 | 1148 |
| 9 | 2488 |
| 10 | 5349 |
| 11 | 11453 |
| 12 | 24617 |
| 13 | 52916 |
| 14 | 113605 |
| 15 | 243988 |
| 16 | 524156 |
| 17 | 1125805 |
| 18 | 2417997 |
| 19 | 5193737 |
| 20 | 11155712 |
| 21 | 23961101 |
| 22 | 51466060 |
| 23 | 110544232 |
| 24 | 237437573 |
| 25 | 509991637 |
| 26 | 1095411153 |
| 27 | 2352832580 |
| 28 | 5053645925 |
| 29 | 10854721796 |