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 | 889 |
| 2 | 10199 |
| 3 | 57337 |
| 4 | 218743 |
| 5 | 653177 |
| 6 | 1647079 |
| 7 | 3670009 |
| 8 | 7440167 |
| 9 | 13999993 |
| 10 | 24801847 |
| 11 | 41803769 |
| 12 | 67575319 |
| 13 | 105413497 |
| 14 | 159468743 |
| 15 | 234881017 |
| 16 | 337925959 |
| 17 | 476171129 |
| 18 | 658642327 |
| 19 | 895999993 |
| 20 | 1200725687 |
| 21 | 1587318649 |
| 22 | 2072502439 |
| 23 | 2675441657 |