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) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 11 |
| 3 | 16 |
| 4 | 27 |
| 5 | 205 |
| 6 | 232 |
| 7 | 437 |
| 8 | 1106 |
| 9 | 5967 |
| 10 | 96578 |
| 11 | 488857 |
| 12 | 1074292 |
| 13 | 1563149 |
| 14 | 2637441 |
| 15 | 20025236 |
| 16 | 22662677 |
| 17 | 42687913 |
| 18 | 108038503 |
| 19 | 582880428 |
| 20 | 9434125351 |
| 21 | 47753507183 |
| 22 | 104941139717 |
| 23 | 152694646900 |
| 24 | 257635786617 |
| 25 | 1956145153219 |
| 26 | 2213780939836 |
| 27 | 4169926093055 |